What would likely have happened to Earth if no icy debris had arrived?
OA.
It would still have oceans but no atmospheric water.
B.
It would still have atmospheric water but no oceans.
Oc.
It would have no oceans or atmospheric water.
D.
It would have traces of water beneath its surface.
OE.
It would have released water in volcanic outgassing.
Answers
Answer:
The answer is E. It would have released water in volcanic outgassing.
Related Questions
What can the presence of different types of fossils tell us about how this environment changed over time?
a. This environment has been an ocean from long ago through more recent times.
b. This environment has slowly changed from being an ocean to a swamp to a forest.
c. This environment has gotten much cooler over the period of time represented by these fossils.
d. This environment has become covered with water.
Answers
Answer:
B. the Environment has slowly changed from being an Ocean to a Swamp to a Forest.
Explanation:
makes the most sence when comparing it to the picture
Answer:
b. This environment has slowly changed from being an ocean to a swamp to a forest.
Explanation:
As we can see, there are water creatures in the first picture, then there were frogs and dragonflies, which are commonly found in swamps (crabs too). We see tree leaves and frogs in the last picture, which are common in forests.
Question 20 (5 points)
Which of the following is formed when a group of tissues works together to perform
a common function?
OA) Body
B) Organ
C) Brain
D) Organ system
Answers
explanation: Cell is the basic unit of life. A group of cells having same structure and performing same function forms tissue. A group of tissues performing a particular function in the body forms an organ. A group of organs that work together to maintain a stable internal environment and perform a particular function is called an organ system.
Australia is in the Southern hemisphere. Which of these statements is correct about Australia?
It experiences the first day of summer at Position 3 and first day of winter at Position 1.
It experiences the first day of summer at Position 1 and first day of winter at Position 3.
It experiences the first day of autumn at Position 3 and first day of spring at Position 1.
It experiences the first day of autumn at Position 1 and first day of spring at Position 3.
Answers
The correct statement about Australia is ; It experiences the first day of summer at Position 1 and first day of winter at Position 3.
The southern and northern hemisphere experiences winter and summer at different times of the year because the Earth's axis remains fixed ( almost ) when it orbits around the sun. therefore during the different orbit phases either the northern hemisphere or southern hemisphere faces/leans towards the sun.
The part of the earth ( hemisphere) that faces the sun will experience its first day of Summer while the hemisphere that leans away from the sun will experience its first day of winter.
Hence from the diagram we conclude that Australia been in the southern hemisphere will experiences the first day of summer at Position 1 and first day of winter at Position 3.
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The horizontal line at zero represents a baseline average temperature. From what years is this
baseline temperature calculated?
Answers
The years used to calculate the baseline average temperature can vary depending on the specific dataset being analyzed. However, the most commonly used baseline period for global temperature anomalies in the period from 1951-1980.
This baseline period was established by the National Aeronautics and Space Administration (NASA) and the National Oceanic and Atmospheric Administration (NOAA). It is used as a reference to compare current and future temperature anomalies to historical averages. Temperature can vary from year to year. Hence, the baseline temperature is calculated from 1951-1980.
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if temperature were available from several stations in canada near the great lakes do you think 15-degree line would form a closed loop?
Answers
Yes, a 15-degree line would form a closed loop for temperature obtained from several stations in Canada near the Great lakes.
What is temperature?Temperature refers to a measure of the degree of hotness or coldness of a physical body (object). Also, temperature is typically measured by using a thermometer and its units are:
Celsius (°C)Kelvin (K)Fahrenheit (°F)What is an isotherm?An isotherm can be defined as a line that is drawn on a map to join points with the same temperature, so as to show the distribution of temperature in a geographical region on Earth's surface.
In Meteorology, a closed loop is used to show or depict where an air mass is located when drawing isotherms. Thus, a 15-degree line would form a closed loop for temperature obtained from several stations in Canada near the Great lakes.
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The brain and spinal cord are part of the _______ nervous system. The electrical charges that act as nervous signals are called _______. Jellyfish do not have a brain. Instead their nervous system is called a _______. After nervous systems began to develop in bilaterally symmetric animals, some developed ventral, or front, nerve cords, while chordates developed _______ nerve cords. Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called _______ skeletons. _______ do not grow with arthropods, and so occasionally must be shed and regrown from chitin. Muscles move endo- and exoskeletons by _______. _______ is the joining of two gametes called sperm and egg. A fish that lays her eggs in a cluster is initiating _______ fertilization. _______ are an adaptation by reptiles to allow for reproduction and embryo development on land. Describe three different strategies used by three different animals to thermoregulate. If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
Answers
The brain and spinal cord are part of the central nervous system.
The electrical charges that act as nervous signals are called action potentials or nerve impulses.
Jellyfish do not have a brain. Instead, their nervous system is called a nerve net.
After nervous systems began to develop in bilaterally symmetric animals, some developed ventral nerve cords, while chordates developed dorsal nerve cords.
Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called hydrostatic skeletons.
Exoskeletons do not grow with arthropods, and so occasionally must be shed and regrown from chitin.
Muscles move endo- and exoskeletons by contracting and relaxing.
Fertilization is the joining of two gametes called sperm and egg.
A fish that lays her eggs in a cluster is initiating cluster or mass fertilization.
Amniotic eggs are an adaptation by reptiles to allow for reproduction and embryo development on land.
Describe three different strategies used by three different animals to thermoregulate.
Elephants: Elephants thermoregulate by using their large ears as cooling devices. They flap their ears to increase surface area and enhance heat loss through evaporative cooling.Desert Lizards: Desert lizards employ behavioral thermoregulation by basking in the sun to absorb heat and warming their bodies. They also retreat to shade or burrows to avoid excessive heat when needed.Penguins: Penguins have a unique thermoregulation strategy. They huddle together in large groups to conserve body heat and shield themselves from the cold Antarctic winds, effectively reducing heat loss and maintaining body temperature.If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
If you see a snake coiled up in a sunny patch of grass, you can probably conclude that the snake is an ectotherm. Ectotherms rely on external heat sources, such as the sun, to regulate their body temperature. By basking in the sun, the snake absorbs heat, which helps raise its body temperature to a suitable level for proper physiological functioning.
Answer:
1. central
2. action potential
3. nerve net
4. dorsal
5. hydrostatic
6. Exoskeletons
7. contraction/contracting
8. Fertilization
9. external fertilization
10. Eggs
11. Animals with fur thermoregulate by panting. Winged birds will flap against their mouths/heads to dissipate heat. Humans will produce sweat to evaporatively cool. Polar bears have developed blubber. Bears drop body temperatures during hibernation.
12. Seeing a snake using the warmth of the sun leads us to conclude that it is likely a thermo conformer that cannot produce its own body heat.
Dementia refers to a loss of brain function that usually first appears as forgetfulness. T/F PSYCHOLOGY
Answers
Answer:
True
Explanation:
Answer:
True
Explanation:
Scenario 3: Toy Car
You roll a toy car down a slanted board and see how far it travels. Then you change the angle of the slant and repeat the experiment. You do this several times at different angles and then you want to graph the data.
Which of the following statements is true?
a) The angle of the board is the dependent varlable and the distance the car rolls is the independent variable
b) The distance the car rolls is the dependent variable and the angle of the board is the independent variable
c) Neither variable is dependent or independent.
Answers
The correct answer is the distance the car rolls is the dependent variable and the angle of the board is the independent variable.
What is variable?A variable is a symbolic name given to a specific value that can change over time. Variables are commonly used in programming languages and mathematics. In programming, variables are used to store data values that can be used and manipulated by a program. In mathematics, variables are used to represent an unknown or unspecified quantity. Variables are also used in scientific experiments to represent a value that can be changed or observed. Variables can have different types and values, and can be represented in different ways such as numbers, words, or symbols. Variables are fundamental to understanding the behavior of a system, and are used in many different fields such as economics, physics, and engineering.
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When looking at a stalk of celery that has been sitting in red food-coloredwater. Sarah notices the celery has red lines running through it. Why is thispossible?The roots absorbed the water.The stomata allowed the water in.The xylem transported the water through the stem and to the leaves of the plant.The phloem transported the water through the stem and to the leaves of the plant.
Answers
The xylem is a special tube of the plant that take up the red food coloring. The food coloring travels into the stem and into the leaves of the celery. It is increased by vaporization from the leaves of the celery. It is like blood exploring through the human body. This shows how the plants deliver the nutrients it absorb to all its parts.
Answer - Option 3 - The xylem transported the water through the stem and to the leaves of the plant.
In the stomach, food is crushed and mixed with
Answers
Answer:
stomach acids to help break down the food
Shredder
Scraper/Grazer
Filter Feeder
Invertebrate Predator
Vertebrate Predator
IIIII
:: Filter water to consume phytoplankton (microalgae) :: Consume leaves and algae and fungi on the leaf surface
:: Consume algae on rocks :: Prey on vertebrates and invertebrates :: Prey on small invertebrates
Match the organism to its proper feeding behavior
Answers
Explanation:
The first organism is a Filter Feeder, which filters water to consume phytoplankton (microalgae).
The second organism is a Scraper/Grazer, which consumes leaves and algae and fungi on the leaf surface.
The third organism is a Shredder, which consumes algae on rocks.
The fourth organism is an Invertebrate Predator, which preys on small invertebrates.
The fifth organism is a Vertebrate Predator, which preys on vertebrates and invertebrates.
A price ceiling is not necessarily in the public's best interest because
Question 6 options:
a)
It can make otherwise available goods not available because of the low price.
b)
It's too "laissez-faire" for most people's taste.
c)
It always makes prices increase.
d)
All of the above.
Answers
Answer:
i think (a) is the answer
Place the steps for the formation of the enzyme pepsinogen in the correct order.
The DNA strands unwind, and
RNA polymerase binds to the
template strand.
The mRNA undergoes intron
splicing and exits the
nucleus.
The tRNA moves through mRNA
with the activated amino acids
attached to it.
The synthesis of mRNA begins.
The amino acids assemble
to form peptide.
↓
↓
↓
↓
Reset Next
Post Test: Cells
© 2023 Edmentum. All rights reserved.
Answers
Pepsinogen is the precursor to the enzyme pepsin that acts in the digestion of proteins.
What is the order in which pepsinogen is formed?The order in which pepsinogen is formed is given as follows:
The DNA strands unwind, and RNA polymerase binds to the template strand.The synthesis of mRNA begins.The mRNA undergoes intron splicing and exits the nucleus.The tRNA moves through mRNA with the activated amino acids attached to it.The amino acids assemble to form peptide.This process is known as protein synthesis, or translation, and involves the transcription of DNA into mRNA, followed by the translation of mRNA into a chain of amino acids. The newly synthesized chain of amino acids then folds into the functional protein. In the case of pepsinogen, it is synthesized and secreted by the chief cells of the stomach and later activated to form the enzyme pepsin by the acidic environment of the stomach.
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Four equal strips A B C and D were cut from a potato whose cell sap concentration was 28.5%sugar. The strips were placed in sugar solutions of different concentrations as follows;A-10%,B-15%,C-25%,D-35%. 1.What changes would you expect in strips A and D? 2.Account for the changes in A and D.
Answers
Answer: The concentration of sugar in solution D is 35%. Solution D is a hypertonic solution as the solute concentration is more than the potato cell concentration. Therefore, water will move into the cell to equalize the osmotic pressure gradient between the cell and the solution. Hence, strip D will swell.
Explanation:
What is the function of pancreatic
Answers
The pancreas has multiple functions in the body, including both endocrine and exocrine functions. The primary function of the pancreas is to produce and secrete digestive enzymes and hormones.
As an exocrine gland, the pancreas produces and releases digestive enzymes into the small intestine to aid in the breakdown and digestion of carbohydrates, proteins, and fats. These enzymes include amylase, lipase, and proteases, which play crucial roles in the digestion and absorption of nutrients from food.
In addition to its exocrine function, the pancreas also acts as an endocrine gland. It secretes hormones such as insulin and glucagon into the bloodstream, which are essential for regulating blood sugar levels.
Insulin helps lower blood sugar levels by facilitating the uptake and storage of glucose by cells, while glucagon helps raise blood sugar levels by stimulating the release of stored glucose from the liver.
Overall, the pancreas plays a vital role in both digestion and glucose regulation, contributing to maintaining overall metabolic balance in the body.
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I ONLY HAVE 2 minutes PLEASE HELP NOW!!!
Answers
Answer:
I believe c is the answer sorry if I'm wrong
Which organism provides most of the oxygen in ocean water?
sea anemones
algae
coral
fish
HELP FAST
Answers
Because it’s not sea anemone s
Which of the following creatures does not gain energy from marine snow either directly or indirectly?
a. rays
b. crustaceans
c. zooplankton
d. sponges
Answers
The creatures that do not gain energy from marine snow either directly or indirectly are known as Zooplanktons. Thus, the correct option for this question is C.
What are zooplanktons?Zooplankton may be defined as an organism that is small floating or weakly swimming in nature and drifting with water currents and, with phytoplankton, making up the planktonic food supply upon which almost all oceanic organisms are ultimately dependent.
The creatures of zooplankton are ultimately deriving their energy by consuming phytoplankton. So, among the options given, they are the creatures that do not gain energy from marine snow either directly or indirectly. While rays, crustaceans, sponges, etc. gain energy from marine snow either directly or indirectly.
Therefore, the creatures that do not gain energy from marine snow either directly or indirectly are known as Zooplanktons. Thus, the correct option for this question is C.
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In a ecosystem which of the following is a trait of living organisms
Answers
Answer:
All of the living organisms have the ability to adapt.
Explanation:
r
C. Classifying Coal is a solid, naturally occuring
substance. Coal forms from the remains of
plants and animals. Is coal a mineral? Explain.
f the rock cycle
Answers
Answer:
Coal is not a mineral.
Explanation:
--> Coal is not a mineral because it does not qualify to be one. A mineral is made of rocks. Coal is non-living and made up of atoms of elements. Minerals are not formed from living things such as plants or animals.
--> The rock cycle is a geological process that is undergone by the three main rock types: igneous, metamorphic and sedimentary. This process involves transitions between the three types of rock through erosion into sediment and cementing, or heating and pressure. Igneous rock can become sedimentary rock.
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What is the scientific name of an organism composed of?
Answers
Answer:
Explanation: The organism designation consists of the Latin scientific name, usually composed of the genus and species names (the binomial system developed by Linnaeus), followed optionally by the English common name and a synonym.
ssignm I. Write TRUE if the statement is correct and FALSE if it is incorrect for the 1. Viruses are considered to be intermediate between living and non-living things. 2. Pasteurization is a method of heating milk and other food stuffs which is followed by rapid cooling. 3. White blood cells (lymphocytes) produce special protein called antigen. 4. Species are a group of organism that can breed successfully with one other to produce fertile offspring. 5. Tuberculosis caused by bacterium called salmonella typical. 6. In the scientific naming of organism, the 1st name is genus name. 7. Gymnosperm plants are lower plants that have well developed root, stem and Space for Tutorial Comment Marks leaves. 8. Sunlight is the primary source of energy for all plants. 9. Autotrophs are organisms that can synthesize their own energy from the raw material. 10. The major organic substances in living organisms are carbohydrate, lipid and protein. hest answer for the following questions. niem is fungus? arium
Answers
The following are:
TRUE. Viruses are not considered to be aliveTRUE. Pasteurization is a method of heating milk TRUE. White blood cells (lymphocytes) are a type of immune cell TRUE. A species is a group of organisms FALSE. Tuberculosis is caused by a bacterium TRUE. In the scientific naming of organismsFALSE. Gymnosperm plants are a group of plantsTRUE. Sunlight is the primary source of energy for all plantsTRUE. Autotrophs are organisms that can synthesizeTRUE. The major organic substances in living organisms What are the reasons?1. TRUE. Viruses are not considered to be alive because they do not have their own metabolism and they cannot reproduce on their own. However, they do have some of the characteristics of living things, such as the ability to evolve and to interact with their environment.
2. TRUE. Pasteurization is a method of heating milk and other food stuffs to a specific temperature for a set period of time, followed by rapid cooling. This kills harmful bacteria without affecting the taste or nutritional value of the food.
3. TRUE. White blood cells (lymphocytes) are a type of immune cell that produces antibodies. Antibodies are proteins that bind to specific antigens, which are molecules that are foreign to the body. This binding helps to protect the body from infection.
4. TRUE. A species is a group of organisms that can breed successfully with one other to produce fertile offspring. This means that the offspring will be able to reproduce themselves.
5. FALSE. Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. Salmonella typhi is a bacterium that causes typhoid fever.
6. TRUE. In the scientific naming of organisms, the first name is the genus name. The genus name is followed by the species name. For example, the scientific name for humans is Homo sapiens.
7. FALSE. Gymnosperm plants are a group of plants that have seeds that are not enclosed in an ovary. They are considered to be higher plants, along with angiosperms (flowering plants).
8. TRUE. Sunlight is the primary source of energy for all plants. Plants use sunlight to convert carbon dioxide and water into glucose, which is a sugar that they use for energy.
9. TRUE. Autotrophs are organisms that can synthesize their own energy from the raw materials. They are able to do this through a process called photosynthesis.
10. TRUE. The major organic substances in living organisms are carbohydrate, lipid, and protein. Carbohydrates are used for energy, lipids are used for storing energy, and proteins are used for building and repairing cells.
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Select the answer choice with the increasing levels of organizations.
Answers
Answer:
The answer is S.
Describe way in which plants are adapted to swed dispersal by animals give an example
Answers
Some seeds feature barbs or hooks that cling to an animal's skin, fur, or feathers. Birds can carry away the sticky seeds of plants like pittosporum.
How do plants adapt to animal seed dispersal?Seeds from plants that rely on animals for distribution are made to fit either within or outside of the animal. Burr- or hook-shaped seeds can cling to an animal's fur. Plants give seeds that are carried internally an enticing fruit pulp reward in exchange for the journey.
What kind of animal dispersal are examples?Mangoes, guavas, breadfruit, carob, and several fig species are some examples. Aardvarks and the desert melon (Cucumis humifructus) share a symbiotic connection in South Africa, where the mammals consume the fruit for food.
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explain the role bacteria play in a human body?
Answers
Answer:
The bacteria in our bodies help degrade the food we eat, help make nutrients available to us and neutralize toxins,
Explanation:
Why is it important to know about poisonous plants?
Answers
Answer:
Poisonous plants
Explanation:
we all know, that plants are almost everywhere, from your bedroom to the biggest places in the world, however some plants can be dangerous and poisonous which we have to avoid touching in all circumstances, it is highly significant to tell the difference between a normal living thing and a venomous living thing, to protect you health and other's health too.
Which of these is NOT true about water molecules?
they are ions
they can participate in hydrogen bonds
they have partial positive and negative charges
they can dissolve charged substances
Answers
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
Answers
The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A
What is copyright all about?The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.
When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.
This permission can take the form of a license or contract that outlin the tems under which the work can be used.
The above answer is in response to the full question below;
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
A. Copyright
B. Fair use
C. Freedom of information
D. Intellectual freedom
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Congenital hyperinsulinism is a rare condition in which infants experience frequent episodes of hypoglycemia. Based on the functions of the two main hormones that control blood sugar homeostasis, which of the following would be effective at treating the hyperinsulinemia?
A. Glucagon
B. Glucocorticoids
C. Preventing insulin release or production
D. All of the choices are correct.
Answers
Answer:
Any treatment which involves reduction in the levels of insulin to curb excessive influx of glucose into the cells from the blood will be an ideal treatments.
Glucagon, which converts excess glucose to glycogen. Glucocorticoids induces insulin resistance thus raises glucose levels.
suppressing insulin release will be another option.
Therefore all options are correct.
Explanation:
Which statement is an accurate description of genes? SC.912.L.16.3
Proteins are made of genes and code for DNA
Genes are made of proteins that code for nitrogen bases
DNA is made of carbohydrates that code for genes
Genes are made of DNA and code for proteins
Answers
Answer:
B
Explanation:
Genes are made of proteins that code for nitrogen bases. This is the description of genes. Thus, option C is correct.
What are genes made up of?Genes are made of DNA and code for proteins.This is because genes contain the genetic information needed for expression of characteristics in a living organisms. Therefore, genes contain DNA which is the genetic material. Genes are housed in chromosomes located in the loci.
DNA molecule forms a chromosome, and part of the same DNA molecule produce the genes on that is found in that chromosome. The information that is present in each gene codes the production of proteins and alsothe synthesis of RNA.
Genes are the molecules responsible for containing the genetic information that determines specific characteristics or features of an individual. Genes are housed in chromosomes, in specific locations called locus.
A DNA molecule forms a chromosome, and fragments of that same molecule form the genes on that chromosome. The information contained in each gene codes the synthesis of proteins, as well as the synthesis of RNA.
Therefore, Genes are made of proteins that code for nitrogen bases. This is the description of genes. Thus, option C is correct.
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