Hard wheat has a higher (d) protein content than soft wheat. The correct option is option d).
Hard wheat is characterized by its high protein content, specifically gluten, which is essential for providing structure and elasticity in baked goods like bread. This high protein content allows the dough to rise well and maintain its shape. On the other hand, soft wheat has a lower protein content, making it more suitable for delicate pastries and cakes, where a lighter texture is desired.
In summary, the main difference between hard and soft wheat lies in their protein content, with hard wheat having a higher protein content than soft wheat. This distinction makes each type suitable for different culinary applications, with hard wheat being ideal for bread-making, and soft wheat being better for pastries and cakes.
Know more about Hard wheat here:
https://brainly.com/question/31464863
#SPJ11
An increase in the volume of forests and phytoplankton would lead to a reduction in free_________ which in turn could cause a decrease in carbon dioxide in the atmosphere.
Answer: Carbon Dioxide and other green house gasses
Explanation:
Answer:
"Carbon"
Explanation:
Just did it
The majority of cardiac cells that die after myocardial infarction do so because of
a. cell rupture.
b. insufficient glucose.
c. necrosis.
d. apoptosis.
The majority of cardiac cells that die after a myocardial infarction do so because of necrosis. So the correct option is c. Necrosis
Myocardial infarction, commonly known as a heart attack, occurs when the blood flow to a part of the heart muscle is significantly reduced or completely blocked, leading to the death of cardiac cells in that region. The reduction or blockage of blood flow typically occurs due to the formation of a blood clot, which obstructs the coronary arteries that supply oxygen and nutrients to the heart muscle.
During a myocardial infarction, the lack of blood flow and oxygen to the affected area of the heart leads to cellular injury and subsequent cell death. The primary mechanism of cell death in this context is necrosis.
Necrosis refers to the uncontrolled death of cells in response to acute injury or severe stress. It is characterized by cellular swelling, rupture, and release of cellular contents into the surrounding tissue. In the case of a myocardial infarction, the lack of oxygen and nutrients causes the affected cardiac cells to undergo necrotic cell death.
While other forms of cell death, such as apoptosis, may also occur to some extent during a myocardial infarction, necrosis is the primary mode of cell death due to the sudden and severe nature of the injury. Apoptosis, on the other hand, is a programmed and controlled form of cell death that typically occurs in response to specific signals or during normal physiological processes.
In summary, the majority of cardiac cells that die after a myocardial infarction do so because of necrosis, which is the uncontrolled death of cells in response to acute injury and lack of oxygen and nutrients. Necrosis is the predominant mechanism of cell death in the context of a heart attack.
To know more about Myocardial infarction here: https://brainly.com/question/1100155
#SPJ11
What three statements correctly describe the role the atmosphere play in allowing life to thrive on earth
The three statements that correctly describe the role the atmosphere plays in allowing life to thrive on earth are as follows: 1. Air to Breathe, 2. Protection from Radiation and 3. Temperature Regulation.
The atmosphere plays a crucial role in allowing life to thrive on earth. Some of the key functions of the atmosphere include providing air to breathe, protecting the earth from harmful radiation, and helping to regulate the planet's temperature. Here are three statements that describe the atmosphere's role in more detail:
1. Air to Breathe: The atmosphere is primarily made up of nitrogen, oxygen, and other gases that are essential for human and animal life. We breathe in oxygen and exhale carbon dioxide, which plants use to make energy through photosynthesis. This exchange of gases between plants and animals is necessary for life to thrive on earth.
2. Protection from Radiation: The atmosphere protects the earth's surface from harmful radiation from the sun. Without the atmosphere, the sun's harmful rays would penetrate the earth's surface and make life impossible. The ozone layer in the atmosphere also protects us from the harmful effects of ultraviolet (UV) radiation.
3. Temperature Regulation: The atmosphere helps to regulate the earth's temperature by trapping heat from the sun and preventing it from escaping into space. This is known as the greenhouse effect. Without the atmosphere's ability to trap heat, the earth's temperature would be too cold to support life as we know it.
In summary, the atmosphere plays a critical role in allowing life to thrive on earth. It provides air to breathe, protects us from harmful radiation, and helps to regulate the earth's temperature.
For more information on atmosphere kindly visit to
https://brainly.com/question/16726101
#SPJ11
Which of the following amendments might you choose to improve the overall quality of the soil in the following scenario?
The soil in a garden is loamy, with a high organic content. On testing, the soil is sour, with a low pH of 4. You wish to grow lilacs, which prefer a more alkaline soil.
potassium
calcium carbonate
compost
nitrogen
Answer:
compost
Explanation:
Which is not an element of weather that is measured and analyzed to make accurate forecasts? a: relative humidity/dew point b: time c: cloud cover/visibility d: wind direction
Answer:
b: time
Explanation:
When meteorologists need to make a forecast they analyze different measurements in order to accurately make a forecast, these include patterns of winds, pressure, pressure change, temperature, humidity, clouds, and hygrometers. From the answers provided the one measurement that is not used is time. Mainly due to the fact that weather does not depend on the time of day, and any type of weather can be present at any time if the right circumstances exist.
Answer:
Wind direction
Explanation:
Weather forecast is simply known to be a way of telling the people of how the weather condition of a particular place will be at a particular time. This usually shows whether the day or time will be rainy or sunny.
In this case, what is not normally considered in whether forecast is wind direction. While other factors are always ingredients of weather forecasting.
What does the phrase "water loss control" mean?
Read the excerpt from "Water Efficiency Strategies."
Water Loss Control—National studies indicate that, on
average, 14 percent of the water treated by water systems is lost
to leaks. Some water systems have reported water losses
exceeding 60 percent. Accounting for water and minimizing
water loss are critical functions for any water utility that wants to
be sustainable
o preventing water from being wasted due to leaks
O limiting the number of household sinks and toilets
O limiting use of dishwashers and washing machines
O preventing pipes from rusting and growing mold
Answer: Answer: preventing water from being wasted due to leaks
Explanation:
Water loss control has to do with the efforts which involves managing leakage to low levels.
From the excerpt, we can infer from the information given that 14 percent of the water treated by water systems is lost due to leaks. Therefore, the phrase "water loss control" simply means how water loss will be minimize.
The phrase "water loss control" means preventing water from being wasted due to leaks.
What is Water loss control ?A water loss control program helps to identify real or physical losses of water from the water system and. apparent losses, the water that is consumed but not accounted for.
Water loss control includes
utility efforts to manage leakage to economically low levels, andreducing metering and billing errors such that reliable measures of customer consumption are attained and sufficient revenue is garnered by the water utility.To know more about Water loss control here
https://brainly.com/question/27142250
#SPJ2
Why is meiosis important for introducing different traits?
Answer: Meiosis is a phase in sexually reproductive organisms, wherein cell-division takes place. It is of great importance, because it creates genetic diversity in the population.
Explanation:
please help this is my last question of the day- I need an explanation also
The two jobs for the cell is to make energy and make more cells. They make energy by consuming nutrients needed for more energy. To make more cells they reproduce a lot.
Which organelles are found in a plant cell? Check
all that apply.
endoplasmic reticulum
centrioles
cell wall
vacuoles
lysosomes
mitochondria
chloroplasts
cell membrane
DONE V
Answer:
(1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus (7) cytoskeleton (8) smooth endoplasmic reticulum (9) mitochondria (10) vacuole (11) cytosol (12) lysosome (13) centriole.
Explanation:
Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus (7) cytoskeleton (8) smooth endoplasmic reticulum (9) mitochondria (10) vacuole (11) cytosol (12) lysosome (13) centriole.
in australia, both opossums and foxes eat rats. the sizes of the populations have been stable for the last 12 years, but recently the size of the opossum population increased. what will likely happen to the fox population?
In australia, both opossums and foxes eat rats. the sizes of the populations have been stable for the last 12 years, but recently the size of the opossum population increased. Will likely happen to the fox population is the foxes might struggle to find sufficient food to sustain their current population levels, leading to a decline or requiring adaptation to new conditions.
As the opossum population increases, it is expected that the competition for rats as a food source will also increase. Since opossums and foxes share this resource, the increased competition may lead to a decrease in the availability of rats for the fox population. As a result, the foxes might struggle to find sufficient food to sustain their current population levels
Under these circumstances, the fox population could potentially experience a decline, as a lack of sufficient food sources may lead to reduced reproduction rates and higher mortality rates. However, it is also possible that the foxes might adapt to these changes in their environment by shifting their diets to include other food sources or by expanding their territories to find more rats. In conclusion, while the exact outcome is uncertain, it is likely that the increase in the opossum population will have some impact on the fox population, potentially leading to a decline or requiring adaptation to new conditions.
Learn more about adaptation at
https://brainly.com/question/14357209
#SPJ11
To denature an enzyme means the enzyme becomes _______________ and can no longer work properly
To denature an enzyme means the enzyme becomes structurally altered and can no longer work properly.
Enzymes are specialized proteins that facilitate chemical reactions in living organisms. They have specific three-dimensional shapes that allow them to bind with specific molecules, known as substrates, and catalyze reactions. However, certain conditions, such as high temperatures or extreme pH levels, can disrupt the enzyme's structure.
When an enzyme becomes denatured, its shape is altered, which affects its active site. The active site is the region of the enzyme that binds with the substrate. If the enzyme's shape is changed, the substrate can no longer fit properly, preventing the enzyme-substrate complex from forming. As a result, the enzyme loses its catalytic activity, and the reaction it was supposed to facilitate cannot occur efficiently.
For example, if you heat an enzyme to a high temperature, its weak bonds break, causing the enzyme to lose its shape and become denatured. Similarly, extreme pH levels can alter the charge distribution on the enzyme, disrupting its structure.
Learn more about enzyme -
brainly.com/question/17231569
#SPJ11
To which skeletal system do the carpals belong?
spongy skeleton
compact skeleton
axial skeleton
appendicular skeleton
Answer:
Appendicular skeleton
Explanation:
The carpals are bones that make up part of the hand, so the Appendicular system would be an appropriate answer. The Appendicular system got its name because it is the appendages of the axial skeleton. Your hand (as well as your arms , legs, pelvic girdle, feet,etc.) is considered your appendage so it would make sense for the bones that allow your wrist to move and rotate are considered it as well.
Answer:
appendicular skeleton
Explanation:
The carpals are bones that make up part of the hand.The appendicular skeleton is the portion of the skeleton of vertebrates consisting of the bones that support the appendages. The appendicular skeleton includes the skeletal elements within the limbs, as well as supporting shoulder girdle pectoral and pelvic girdle.
HOPE IT HELPS :)
PLEASE MARK IT TH BRAINLIEST!
What color is reflected by both chlorophylls a and b?
A. red
B. blue
C. green
D. purple
Answer:
The answer is green.
Explanation:
Chlorophyll a. absorbs light in the blue-violet region, chlorophyll b absorbs red-blue light, and both a. and b. reflect green light (which is why chlorophyll appears green).
Imagine a hypothetical mutation in a flowering plant resulted in flowers that didn't have sepals. What would be the most likely consequence of this mutation? The flower would not be able produce ovules, making reproduction impossible. The flower bud would not be protected, making the petals more vulnerable to damage, The flower would not be able to attract animal pollinators, making pollen transfer more difficult Pollen would not be able stick to the female reproductive structure, making fertilization more difficult
A sepal is an essential part of a flower's re pro du ctive system. It is a small, leaf-like structure that protects the flower bud as it grows.
Imagine a hypothetical mutation in a flowering plant that resulted in flowers without sepals. The most likely consequence of this mutation would be that the flower buds would be unprotected, making the petals more vulnerable to damage.The petals are usually fragile, and without sepals, they would be exposed to environmental conditions that could cause damage to the developing flower bud. The protective role of sepals would be lost, leaving the bud vulnerable to attack from insects, disease, or other environmental factors. As a result, the petals would be less likely to develop correctly, and the overall health of the flower would be compromised. Therefore, the correct option is 'The flower bud would not be protected, making the petals more vulnerable to damage.'In conclusion, it can be stated that without sepals, flowers would become more vulnerable to damage, and the protective role of the sepals would be lost. This would have severe implications on the overall health of the plant and make it difficult for it to produce flowers and reproduce.
To know more about sepal visit:
https://brainly.com/question/14326821
#SPJ11
Microfilaments and microtubules are cytoskeletal elements that also function in the cell shape and cell movements. Determine whether each of the following statements describes microfilaments, microtubules or both?
a. Dimers polymerize into protofilametns that then associate side by side
b. monomers bind GTP
c. 13 Protofilaments associate to form a hollow tube
d. Monomers bind ATP
e. Polymer of globular subunits
f. all the nucleotide-binding sites point the same direction.
g. fibers polymerize and depolymerize quickly
h. structure is a double chain of subunits
a. Microtubules
b. Both Microfilaments and Microtubules
c. Microtubules
d. Microfilaments
e. Both Microfilaments and Microtubules
f. Microtubules
g. Both Microfilaments and Microtubules
h. Microtubules
Microtubules are cylindrical structures that are part of the cytoskeleton, a network of protein fibers that helps maintain the shape and structure of cells. Microtubules are made up of a protein called tubulin, which forms long, hollow tubes that are typically around 25 nanometers in diameter. Microtubules play many important roles in the cell. They are involved in cell division, where they form the spindle fibers that help separate the chromosomes during mitosis. They also help transport materials within the cell, serving as tracks for motor proteins to move along. Microtubules are dynamic structures that can rapidly grow and shrink in response to changes in the cell. This dynamic behavior is regulated by a variety of proteins that bind to microtubules and control their assembly and disassembly. In addition to their role within cells, microtubules also play important roles in other biological processes. For example, they are involved in the beating of cilia and flagella, the structures that allow some cells to move. They are also important for the formation of the mitotic spindle in meiosis, the process of cell division that produces gametes.
Learn more about Microtubules here:
https://brainly.com/question/29992576
#SPJ11
Please Hurry WILL GIVE BRAINLIST
An example of sunlight passing through clouds during sunset, results in what is often called the cloud's silver lining. Pastel shades of blue, pink, purple, and green can be observed at times of cloud cover. What is the cause of these patterns in the sky?
Responses
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors.
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors., EndFragment,
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
StartFragment, The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., EndFragment, ,
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air.
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air., EndFragment,
The patterns occur when light is reflected from water droplets within the clouds. The amount of reflection that occurs depends on the wavelength of the light, and shorter wavelengths are reflected at a greater angle than longer ones.
The cause of the color patterns in the sky is when light is diffracted from water droplets within the clouds, the amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones which is therefore denoted as option D.
What is Diffraction?This is a term which is described as the process of light bending around an obstacle or spreading out after it moves through a small or tiny space.
We should also be aware that it is dependent on the wavelength of the light such that those with a shorter wavelengths are usually diffracted at a greater angle than longer ones which is therefore the reason why the color pattern is observed in the sky and is therefore the reason why it was chosen as the correct answer.
Read more about Diffraction here https://brainly.com/question/8645206
#SPJ1
A. What is the trend (pattern) with the amount of calories burned
over the 7 day period?
theres no queston or image to reference from
how is the ability of vibrio cholerae to sense ph related to its ability to cause an intestinal infection? (explain in words or diagrammatically).
Vibrio cholerae, the bacterium responsible for cholera, has a specific sensor that can detect changes in pH. The ability of Vibrio cholerae to sense pH is related to its ability to cause an intestinal infection.
Vibrio cholerae has the ability to survive the acidity of the stomach and colonize the small intestine. The pH of the small intestine is mildly acidic. Vibrio cholerae senses the change in pH of the small intestine and produces two proteins: ToxT and TcpP/TcpH. These proteins, in turn, activate the expression of virulence genes.
Vibrio cholerae has evolved a two-component regulatory system called ToxR/ToxS. The ToxR/ToxS system works by sensing the changes in pH between the stomach and the small intestine. When Vibrio cholera enters the small intestine, ToxR/ToxS is activated, leading to the activation of a set of genes that encode factors responsible for causing an intestinal infection.A part of the ToxR/ToxS regulatory system of Vibrio cholerae involves two other proteins, TcpP and TcpH.
These proteins help in the transmission of signals between the cell surface and the cytoplasm, allowing the bacterium to respond to the changing environment and express virulence genes.TcpP/TcpH and ToxT are transcriptional regulators that activate the virulence genes that encode the cholera toxin. The cholera toxin is responsible for the hallmark symptoms of cholera, such as severe diarrhea and vomiting.
In conclusion, Vibrio cholerae senses pH changes in the small intestine using its ToxR/ToxS two-component regulatory system, which activates the expression of virulence genes. TcpP/TcpH and ToxT proteins are transcriptional regulators that activate the expression of virulence genes encoding the cholera toxin.
To learn more about bacterium visit;
https://brainly.com/question/28250312
#SPJ11
Please answer ASAP.
Essay (10 pts) In a superheterodyne receiver, the selected RF signal is converted to IF signal before demodulation. Explain why this conversion process is necessary.
In a superheterodyne receiver, the selected RF signal is converted to IF signal before demodulation. This conversion process is necessary to make the demodulation process simpler and more effective. The conversion process also helps in increasing the receiver’s selectivity and sensitivity.
The superheterodyne receiver is the most commonly used type of receiver in modern radio receivers. The conversion process is done by using a local oscillator. The local oscillator frequency is usually set to a value that is higher than the incoming RF frequency. The difference between the local oscillator frequency and the incoming RF frequency is called the intermediate frequency (IF).The conversion process is necessary for the following reasons:
1. Improved selectivityThe conversion process makes it possible to use a high-Q filter at the IF. This makes the receiver more selective and helps to eliminate unwanted signals that may be present at the RF frequency.
2. Improved sensitivityThe conversion process helps to improve the sensitivity of the receiver. This is because the IF can be amplified more easily than the RF signal. This allows for the use of high-gain amplifiers, which results in improved sensitivity.
3. Simplification of the demodulation processThe demodulation process is made simpler and more effective by converting the RF signal to an IF signal.
This is because the IF signal is usually at a lower frequency and therefore easier to demodulate. The demodulator circuitry is also simpler because it only needs to operate at the IF frequency, rather than the higher RF frequency.In conclusion, the conversion of the RF signal to an IF signal is necessary in a superheterodyne receiver to improve selectivity, sensitivity, and to simplify the demodulation process.
To learn more about superheterodyne
https://brainly.com/question/33456279
#SPJ11
____________ polymerase is used to add new RNA nucleotides to make RNA.
RNA polymerase is used to add new RNA nucleotides to produce RNA.
RNA polymeraseIt is the enzyme responsible for copying the sequence of DNA into the sequence of RNA during the process of transcription.
The information encoded in DNA is used to produce RNA during the process of transcription.
The production of RNA takes place by the enzyme RNA polymerase, by using the antisense strand of the DNA as the template by supplementing the complementary RNA nucleotides to the 3 prime terminal of the developing strand.
The enzyme RNA polymerase combines with the DNA at a sequence known as the promoter at the time of the beginning of transcription.
Thus, the given blank can be filled with RNA.
Find out more information about RNA polymerase here:
https://brainly.com/question/7268380
There is evidence the continent of Antarctica once had a tropical climate. However, Antarctica moved southward to its current location over the South Pole of Earth after the breakup of the supercontinent Pangaea. This movement caused which ecological changes in Antarctica?
Extension of producer roots to absorb nutrients from cooling magma.
Antarctica, the southernmost continent and site of the South Pole, is a virtually uninhabited, ice-covered landmass. Most cruises to the continent visit the Antarctic Peninsula, which stretches toward South America.
It’s known for the Lemaire Channel and Paradise Harbor, striking, iceberg-flanked passageways, and Port Lockroy, a former British research station turned museum. The peninsula’s isolated terrain also shelters rich wildlife, including many penguins.
Due to harsh conditions, extreme weather and no permanent population on the continent there are no regular passenger flights to Antarctica. Most flights transport research personnel and supply the bases. The lack of infrastructure makes it difficult to recover a stranded aircraft in case of an emergency.
Learn more about Antarctica to visit this link
https://brainly.com/question/8533665
#SPJ4
If a cell stains dark for the sdh test and light for the matpase test, how can we classify that cell?
Cell stained light for the metaphase test and dark for the SDH, then we can classify the cell as an oxidative cell.
What is metaphase?Metaphase, the second stage of mitosis, sees the chromosomes travel onto the spindle's equatorial plane.
What is the SDH test?Oxidative cell stains are dark for the SDH test and light for the metaphase test.SDH is an enzyme used in testing mainly to detect hepatocellular injury in cattle and horses.SDH enzyme is also detected in human tissues. The major sites where the SDH enzymes are found in humans are kidneys, seminal vesicles and kidneys.To know more about oxidative cells visit:
https://brainly.com/question/11574154
#SPJ4
A bog is a wetland that...
A) is entirely covered with thick floating mats of vegetation
B) has shallow water and tall grass like plants
C) has shallow water and Woody shrubs and trees
D) has mostly salt water
(please no guesing)
Answer: (A
Explanation:
Answer:
A) is entirely covered with thick floating mats of vegetation
Explanation:
The bog vegetation, mostly sphagnum moss anchored by sedges (such as Carex lasiocarpa), forms a floating mat approximately half a meter thick on the surface of the water or on top of very wet peat.
conifer trees dominate boreal forests rather than tundra because of
Which one of the following disease is caused by a protozoa?
a.Kala-azar
b.Sleeping sickness
c.Rabies
d. both a and b
Answer:
D: Both A and B.
Question
4 of 4
Which is the answer?
This article is organized by categories of species.
Why did the author choose to organize the
information in this way?
Which cut on the evolutionary tree would create a clade?
A, B, C, D
(See photo for example)
Answer:
A
Explanation:
Describe, fully, how you could use a microscope to observe some blood cells.
Answer:
Place a drop of blood onto a microscope slide. Add a drop of stain to the blood to make the cells easier to see. Carefully place a coverslip over the drop of blood. Sliding it slightly along the microscope slide will spread out the blood cells making them easier to see.
Answer:
To observe blood cells using a microscope, you will need a microscope, microscope slide, cover slip, a sample of blood, and a dropper.
First, clean the microscope slide and cover slip with a cleaning solution and let them dry.Next, use a dropper to place a small drop of blood in the center of the slide.Place the cover slip over the blood drop carefully, ensuring there are no air bubbles.Place the slide on the microscope stage and secure it with the clips.Turn on the microscope and adjust the objective lens to the lowest magnification.Use the coarse adjustment knob to bring the blood cells into focus.Once you have located the blood cells, you can increase the magnification by adjusting the objective lens to a higher magnification.Observe the blood cells under the microscope and take note of their shape, size, and color.To get a better view of the blood cells, you can adjust the focus using the fine adjustment knob.Once you have finished observing the blood cells, turn off the microscope and remove the slide.
WILL GIVE BRAINLIEST - The temperature of a cell’s environment increases by 5˚C. If the cell is to maintain homeostasis, what must happen?
A. The cell must increase its original internal temperature by 5 ˚C.
B. The cell must decrease its original internal temperature by 5 ˚C.
C. The cell must adjust to maintain its original internal temperature.
D. The cell must absorb heat from the environment to reset the temperature.
Answer:
C. The cell must adjust to maintain its original internal temperature.
Explanation:
Why is the first hill of a roller coaster always the tallest? Explain.
Answer:
The first hill of a roller coaster is always the highest point of the roller coaster because friction and drag immediately begin robbing the car of energy. At the top of the first hill, a car's energy is almost entirely gravitational potential energy (because its velocity is zero or almost zero
Explanation:
Because friction and drag start depriving the car of energy right away, the first hill of a roller coaster is always the steepest part of the ride.
What is friction?The resistance to motion created when two objects rub against one another is called friction. Friction occurs whenever two items come into contact with one another. Friction acts in the opposite direction from the motion and works against it. The two surfaces' respective materials have an impact on how much friction exists.
Static friction, sliding friction, rolling friction, and fluid friction are the four main categories of friction.
Friction and drag start depriving the car of energy right away. Therefore, the first hill of a roller coaster is always the tallest.
Learn more about friction, here:
https://brainly.com/question/28356847
#SPJ2