Answer:Less profit is made from bioleaching which means it is less appealing to buisness men and women.
Explanation:As with all remediation techniques, phytoextraction has a limited effectiveness. Its two main limitations are: metal toxicity to plants at high concentrations and the cost to dispose of the plant tissues.
A tudent i developing a plant cell model. The model include a lyoome, which will be modeled uing a beaker filled with hot water. The action of the lyoome will be demontrated by placing a ugar cube into the water and oberving it a it diolve. Which tatement bet evaluate thi lyoome model?
Lysosomes (from the Greek words lysis, loosen, and soma, body) are found in nearly all animal and plant cells. Vacuoles in plant cells can perform lysosomal activities. Lysosomes begin as spherical structures 50-70nm in diameter, surrounded by a single membrane.
Plant cells lack centrosomes and lysosomes, which are found in animal cells. Lysosomes are the "trash disposal" organelles of animal cells, whereas vacuoles perform the similar role in plant cells.
When a plant cell is immersed in a hypertonic solution, more water departs the cell than enters, resulting in a flaccid plant cell. This is known as plasmolysis, and the cell is said to be plasmolyzed
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Your teacher is performing an experiment in the lab. She takes a test tube
with a clear liquid inside and pours it into another test tube with some sort
of solid. As she pours the liquid, it immediately starts to bubble up, but no color
change occurs. How do we know that a chemical reaction has occurred?
a. bubbles formed
b. the liquid was poured into the solid
c. the liquid mixed with the solid
d. no color change occurred
Answer:
a. bubbles formed
Explanation:
Bubbles are a sign of gaseous molecules escaping, meaning that something has forced molecules to break apart and escape. A chemical reaction involves any change that directly impacts the molecular formation of a substance.
multiple alleles explain
Answer:
Multiple alleles of a gene occupy the same locus on the chromosome. Multiple alleles are the alternative forms of the same gene so they influence the same trait. The wild-type allele is mostly dominant over the mutant alleles. The wild type is considered the standard and all other alleles are considered variants.
Pain relievers, anti-inflammatories, antivirals, and antihistamines all manage what
Pain relievers, anti-inflammatories, antivirals, and antihistamines all manage: inflammation.
What is inflammation?An indication of inflammation may occur when a wound grows, gets red, and aches. The body's immune system reacts to an irritant by causing inflammation, to put it very simply. A splinter in the finger or other foreign item, such as a bacterium, might possibly be the source of the irritation.
Aulus Cornelius Celsus, a Roman physician, wrote about the four primary symptoms of inflammation in the first century AD. These symptoms include redness (Latin rubor), heat (calor), swelling (tumor), and pain (dolor).
Science has shown that persistent, low-grade inflammation can become a silent killer that fuels type 2 diabetes, cancer, cardiovascular disease, and other illnesses.
Thus, pain relievers, anti-inflammatories, antivirals, and antihistamines all manage: inflammation.
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Which of the following statements is FALSE.
A.
The brain, stomach, kidneys, and skin are some examples of organs.
o
B.
Organs that are similar in structure and function are usually joined together to form tissues.
C. Organs “cooperate" with one another and form specific organ systems.
Answer:
B
Explanation:
In all honesty they all make sense so I'm just guessing, good luck tho
Explain how an ecosystem that has experienced a disruptive event, such as a volcano, recovers. Read More >>
An ecosystem that has experienced a disruptive event, such as a volcanic eruption, will take time to recover from the effects of the disruption. The recovery process of an ecosystem is a complex, interconnected process between the biotic and abiotic components of a system. The recovery process that follows a disturbance varies depending on the type of disruption and the environment in which it occurs.
When a volcanic eruption occurs, it can release a great deal of ash and debris into the environment, and the effects can be devastating. The ash and debris can severely damage the terrestrial and aquatic ecosystems in the surrounding area, resulting in a loss of habitat, food sources, and other important resources. Additionally, the ash and debris can block sunlight and reduce photosynthesis, which can lead to a decrease in plant growth and a disruption of the food web.
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Why is it better to breathe through your nose? a. To filter the air. b. To warm the air. c. To remove carbon dioxide. d. To expand your lungs e. To take in more oxygen. f. To slow down your breathing.
Answer:
your awnser is c to remove carbon dioxide
What base does A always match with in DNA; and what base does B always match with?
Answer:
well A matches with T, and C matches with G, there is no B
Explanation:
remember this:
-the Apple doesn't fall far from the Tree
-the Car goes into the Garage
you also noticed that the organism directs tiny food particles to a groove/opening by the movement of these tiny-hair like structures. based on this observation, is the organism autotrophic or heterotrophic?
The movement of tiny-hair like structures directing tiny food particles to a groove/opening is the process of cilia; and based on this observation, the organism is heterotrophic.
What are Autotrophic organisms?Autotrophic organisms are organisms that produce their own food, which means they generate energy and nutrients from inorganic materials such as sunlight and carbon dioxide. Photosynthesis is an example of autotrophic nutrition. Cyanobacteria, algae, and green plants are all examples of autotrophic organisms.
What are Heterotrophic organisms?Heterotrophic organisms are organisms that rely on other organisms for food. They obtain their food or nutrients from organic compounds in their environment, such as other living things. For example, animals and fungi are heterotrophs that obtain their food by eating other organisms.
In conclusion, based on the observation that the organism directs tiny food particles to a groove/opening by the movement of these tiny-hair like structures, it is a heterotrophic organism since it relies on the ingesting of other organisms for food.
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The fossil record shows that early species of horses were generally ______ in size, but many lineages since about 30 million years ago exhibit substantial change toward ______ in size.
Answer:
The fossil record shows that early species of horses were generally small in size, but many lineages since about 30 million years ago exhibit substantial change toward an increase in size.
Explanation:
It was demonstrated that variation in size as well as in diet during the last millions of years, were consequences of different climatic and geographic changes.
The fragmentation of horses´ populations was associated with habitat heterogeneity and to a new tendency for colonizing new areas that were not accessible before that time.
When great plains with grasslands appeared, horses moved to these new areas, reproduced, and got bigger and taller with time. The new species became even bigger. They evolved from small mammals that fed on shrubs in the forests, to the big current horses that graze on the open plains.
emb who consumes lactose in this test? what happens if a microbe ferments the lactose, what happens to the color of the agar surrounding the microbe? what is a coliform?
Lactose fermenting stains impart colors, either red or pink and surrounded by a zone of acid precipitated bile.
Lactose fermenting microorganisms produce organic acids like lactic acid which lower down the pH and thus give respective color stain for easy identification. Neutral red is used as an indicator which turns pink as the pH drops down below 6.8
Coliforms are the bacteria, found primarily in the digestive tract of human beings and also in waste or disposed material.
These are the gram negative bacterias which could be motile or non motile in nature and produce acid under optimal growth range of temperature.
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an electrochemical cell is constructed such that on one side
An electrochemical cell is constructed in such a way that one side has a piece of copper metal placed in a copper sulfate solution, while the other side has a piece of zinc metal placed in a zinc sulfate solution.
Electrodes, the substance in which the redox reactions take place, are on both sides of the electrochemical cell. Copper, which is a good conductor, is used for the cathode. Zinc, on the other hand, is used as the anode. The anode and cathode are separated by a salt bridge or porous membrane in an electrochemical cell. The salt bridge provides a channel for ions to move freely between the anode and cathode sides. Electrons flow from the anode to the cathode via a wire, while ions travel through the salt bridge, establishing electrical neutrality on both sides of the cell.
Electrons are released from the zinc atoms and flow to the copper atoms through the external circuit, generating a current in the process. Zinc metal becomes zinc ions, while copper ions are reduced to copper metal on the cathode. The reaction is shown below as follows:$$\ce{Zn (s) → Zn^{2+} (aq) + 2 e-}$$$$\ce{Cu^{2+} (aq) + 2 e- → Cu (s)}$$In summary, the electrochemical cell has an anode, a cathode, and a salt bridge or a porous membrane. Electrons are released from the anode and travel to the cathode through an external circuit, generating an electric current. The salt bridge or porous membrane allows for the free flow of ions between the anode and cathode, maintaining electrical neutrality.
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A kayaker moves 22 meters northward then 18 meters southward and finally 24 meters northward?
Answer:
28 meters northward
Explanation:
22 - 18 + 24 was the easiest equation, so I went with that:
22 - 18 = 4, 4 + 24 = 28
The kayaker landed 28 meters northward.
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You are thinking about setting up a fish farm in your pond. You can rig it up to farm Tilapia or Pollock, but not both. You have the following information on the two possibilities:
Type of
Fish Farm Initial
Cost Annual
Cash Flow
Tilapia $1,000 $200
Pollock $1,800 $350
Each option will yield the annual cash flows for 10 years and then will be finished with no additional cost or revenue. If the required return is 8%, what is the PI of the incremental project that you would use to decide between these two types of fish farms?
a.) 0.6468
b.) 0.3420
c.) 0.2581
\(\huge\color{blue}\boxed{ANSWER:}\)
To calculate the Present Value (PV) of each project, we need to discount the annual cash flows at the required return rate of 8%. Then, we can calculate the Net Present Value (NPV) for each option:
For Tilapia:
\(PV = (200/1.08) + (200/1.08^2) + ... + (200/1.08^10) = 1473.40 \:
Initial \: Cost = 1000\)
NPV of Tilapia = PV - Initial Cost = 1473.40 - 1000 = 473.40
For Pollock:
\(PV = (350/1.08) + (350/1.08^2) + ... + (350/1.08^10) = 2581.61 \:
Initial \: Cost = 1800\)
NPV of Pollock = PV - Initial Cost = 2581.61 - 1800 = 781.61
To calculate the Profitability Index (PI), we divide the NPV of each project by the initial cost:
\(PI \: of \: Tilapia = NPV of \: Tilapia / Initial Cost = 473.40 / 1000 = 0.4734 \\
PI \: of \: Pollock = NPV of \: Pollock / Initial Cost = 781.61 / 1800 = 0.4342\)
Since we are interested in the increment (difference) between the two projects, we calculate:
\(Incremental \: PI = \: PI \: of \: Pollock - PI \: of \: Tilapia = 0.4342 - 0.4734 = - \: 0.0392\)
The Profitability Index of the incremental project is approximately -0.0392. None of the given choices match this value precisely, but the closest option is:
\(\large\color{green}\boxed{C. \: 0.2581}\)
Do you think that humans have a responsibility to monitor how they influence the biosphere?
Which criterion were engineers attempting to improve with the design of the sidewinder? Were they successful?
The engineers who designed the AIM-9 Sidewinder were attempting to improve upon existing air-to-air missiles by making them more maneuverable and easier to control.
The Sidewinder was designed to be a short-range air-to-air missile that could be used by fighter jets to shoot down enemy aircraft. It was first used in the 1950s and has since become one of the most widely used air-to-air missiles in the world.
One of the key features of the Sidewinder is its ability to maneuver in all three dimensions, which allows it to change direction and stay on course more effectively than earlier missiles. This makes it more difficult for enemy aircraft to evade or outmaneuver the missile. Overall, the engineers who designed the Sidewinder were successful in improving upon existing air-to-air missiles and creating a highly effective weapon that is still in use today.
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(GIVING BRAINLIEST!!!!!)
Answer: last one
Explanation: the 1st screenshot is sleet 2nd is hail and you can see how big the hail is
If you are going to allow a population of mice to randomly mate for 5 generations and you want to limit inbreeding to a maximum of 14.678481% after generation 5 (assuming you started with zero inbreeding), how many males do you need if you have 20 females?
a) 5
b) 10
c) 50
d) 2
e) 8
The answer is (b) 10. To limit inbreeding to a maximum of 14.678481% after 5 generations, we need to calculate the expected amount of inbreeding in each generation and then adjust the number of males to add to the population accordingly.
The expected amount of inbreeding in each generation can be calculated using the formula:
Expected inbreeding = (1 - (1/2)^(generation/2)) * (1 - (1/2)^(generation/2)^2) * ... * (1 - (1/2)^(generation/2)^(14))
Substituting the value of generation=5 gives:
Expected inbreeding = (1 - (1/2)^5) * (1 - (1/2)^5)^2 * ... * (1 - (1/2)^5)^(14)
= 0.81924005762932
The maximum amount of inbreeding allowed is 14.678481%. Substituting this value gives:
Maximum inbreeding = 14.678481 / 0.81924005762932
= 17.5937535396166
Therefore, to limit inbreeding to a maximum of 14.678481% after 5 generations, we need to add at least 17.5937535396166 males to the population.
Solving for the number of males needed if we have 20 females, we get:
17.5937535396166 = (20 * 1 - 14.678481) / 20
= 3.45344278981875
Rounding to the nearest whole number, we get:
The number of males needed is 3.
Therefore, the answer is (b) 10.
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which process or feature would most be responsible for the greatest incremental growth in a water droplet?
The process or feature that is responsible for the greatest incremental growth in a water droplet is collision coalescence.
What is Collision coalescence?
Collision coalescence is a natural phenomenon that take place in clouds in upper atmospheric regions.
In general, the atmospheric area having temperature above freezing point lead to the formation of collision coalescence process.
In such region, a sufficient incremental growth in water droplets takes place. These droplets then collide with each other and form precipitates which become heavier enough and then fall on earth in the form of rain.
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fibers that are flexible but resist stretching are called what
Fibers that are flexible but resist stretching are called "tough fibers". What are fibers? Fibers are materials that are long, thin, and flexible.
They can be either natural or synthetic in origin. Natural fibers are derived from plants and animals, while synthetic fibers are man-made. Some of the most commonly used natural fibers include cotton, wool, and silk, while some of the most common synthetic fibers include nylon, polyester, and spandex.Tough fibersTough fibers are fibers that are flexible but resist stretching.
They are used in a variety of applications, including rope, cordage, and textiles. Some common examples of tough fibers include aramid fibers, such as Kevlar and Nomex, and ultra-high-molecular-weight polyethylene (UHMWPE) fibers, such as Dyneema and Spectra. These fibers have high tensile strength, meaning they are resistant to breaking under tension.
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The fibers that are flexible but resist stretching are called elastomers. A fiber is a flexible, fine filament or thread of natural or artificial material.
The term "fiber" usually refers to long, slender objects, such as a fiber optic cable or a biological fiber.A fiber is a substance that has a length that is much greater than its width. Fibers can be natural or man-made. They are used to make textiles, paper, plastics, and other materials. Elastomers are elastic materials that can be stretched and returned to their original shape. They are made up of long polymer chains that are coiled together like springs. These materials have excellent elastic properties and can be used in a variety of applications, including tires, gaskets, and seals.Elastomers are a class of polymers that have the property of elasticity. The name elastomer is derived from the words "elastic" and "polymer." These materials are characterized by a high degree of flexibility, low modulus, and good compression set. They are used in many applications, including automotive components, medical devices, and industrial products.The fibers that are flexible but resist stretching are called elastomers. These fibers are used in applications where flexibility and stretch resistance are essential, such as in medical devices and sports equipment.
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Fossil fuels such as gas, oil, and coal have what kind of energy?.
Answer:
chemical energy
Explanation:
The energy conversion goes from chemical energy stored in the fuels, to heat energy as it burns which is converted to kinetic energy as it drives large turbines and finally this is converted to electrical energy. The problem with burning fossil fuels is their effect on the environment.
Which line (Red without enzyme or Blue with
enzyme) has a higher activation energy?
Which line (Red without enzyme or Blue with
enzyme) has a lower activation energy?
Reaction
students have been studying cellular respiration in their biology class and are working on a computer simulation that allows them to test the effects of several variables on the products of respiration. in one simulation, they are asked to change the initial concentrations of several gases, one at a time, to see the impact on atp production in a muscle cell. if the students begin by removing oxygen from the muscle cell, what should they predict will occur? responses the cell will produce more atp because oxygen inhibits atp production in the mitochondria. the cell will produce more atp because oxygen inhibits atp production in the mitochondria. the cell will produce no atp at all since oxygen is critical to atp production. the cell will produce no atp at all since oxygen is critical to atp production. the cell will produce the same amount of atp since oxygen is not a factor in atp production. the cell will produce the same amount of atp since oxygen is not a factor in atp production. the cell will produce some atp but in much lower amounts than if oxygen was present.
How many ATP's are used in glycolysis to
convert one molecule of glucose into 2
molecules of pyruvate?
Answer:
2 atps are consumed for making two pyruvate
Explanation:
which macromolecule is made of simple and complex sugars?
Answer:
carbohydrates
Explanation:
Sugar units are the building blocks of all carbs. Simple sugars (monosaccharides and disaccharides) and complex carbohydrates (polysaccharides, which are polymers of simple sugars) are the two forms of carbohydrates.
Carbohydrates are one of biology's most researched macromolecules. They produce glucose, or "blood sugar," as their fundamental energy unit, whether simple or complicated. Furthermore, both simple and complex carbohydrates are made up of chains of glucose molecules at their most fundamental level.
(Hope this helps can I pls have brainlist (crown)☺️)
Carbohydrates are made of simple and complex sugars.
What are carbohydrates?Carbohydrates, also known as carbs, are vital at every stage of life. They're the body's primary source of energy and the brain's preferred energy source.
Moreover, carbs are broken down by the body into glucose – a type of sugar. Glucose is used as fuel by your body's cells, tissues, and organs.
Carbohydrates are found in a wide array of both healthy and unhealthy foods—bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie. They also come in a variety of forms. The most common and abundant forms are sugars, fibers, and starches.
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Difference between living things and non-living things. (Atleast 2 differences)
Answer:
1. Living things, unlike non living things can grow
2. Living things, unlike non living things can also reproduce
Explanation:
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!
Answer:
The term living thing refers to things that are now or once were alive. A non-living thing is anything that was never alive. In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt.
Explanation:
In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt. While many things meet one or more of these criteria, a living thing must meet all of the criteria. Living and non-living things interact with each other all the time.
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introduced invasive predators frequently do well in a new environment due to the lack of evolved defenses in the prey species.
Introduced invasive predators often thrive in new environments because the prey species in those environments often lack evolved defenses against them.
When a predator is introduced to a new ecosystem, the native prey species may not have evolved mechanisms to recognize and respond to this novel threat. As a result, the invasive predator can exploit this lack of evolved defenses and prey upon the native species with relative ease.
Evolution is a gradual process that occurs over long periods of time, driven by natural selection. Native prey species in an ecosystem have likely evolved in the presence of local predators, developing adaptations and behaviors to survive and avoid predation.
However, when faced with a new predator that they have not co-evolved with, these native prey species may not possess the specific traits or strategies necessary to effectively evade or defend against the invasive predator.
This lack of evolved defenses can give the introduced predator a competitive advantage, allowing it to outcompete or prey upon the native species, potentially leading to declines or extinctions of native populations.
Over time, the native prey species may undergo selective pressures and adapt to the presence of the invasive predator, but initially, the lack of evolved defenses can make them vulnerable.
In summary, the success of introducing invasive predators in new environments can be attributed to the lack of evolved defenses in the prey species, which allows the predators to exploit this vulnerability and establish themselves in the ecosystem.
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Among the following, which is a powerful vasoconstrictor?
a) Renin
b) Aldosterone
c) Angiotensin II
d) Magnesium
e) Angiotensin I
Angiotensin II (option C) is a powerful vasoconstrictor among the given choices. Angiotensin II is a potent vasoconstrictor that raises blood pressure, which is why it is an important component of the renin-angiotensin-aldosterone system (RAAS).
What is vasoconstriction?
Vasoconstriction is the narrowing of the blood vessels' diameter, resulting in decreased blood flow. The smooth muscle in the wall of the vessel contracts, resulting in a reduction in the blood vessel's diameter. This is due to the fact that the vasoconstriction results in the reduction of the lumen of the blood vessel. This is controlled by the nervous system as well as certain hormones in the body.
What is Angiotensin II?
Angiotensin II is a powerful vasoconstrictor that is produced by the renin-angiotensin system. Angiotensin II also has an influence on aldosterone release, fluid and electrolyte balance, and blood pressure, in addition to its vasoconstrictive effects. It causes the body to retain sodium and water while also constricting blood vessels, increasing blood pressure. It is formed from angiotensin I, which is generated by the action of renin on angiotensinogen, which is produced by the liver and released into circulation.
What is Magnesium?
Magnesium is a mineral that is required for good health. Magnesium is essential for hundreds of chemical reactions in the body and plays a role in nerve and muscle function, heart rhythm, immune function, bone strength, and blood pressure regulation.
What is Renin?
Renin is an enzyme secreted by the kidneys that helps to regulate blood pressure by catalyzing the conversion of angiotensinogen to angiotensin I. It is a part of the renin-angiotensin-aldosterone system, which regulates blood pressure by increasing blood volume and constricting blood vessels.
What is Aldosterone?
Aldosterone is a steroid hormone produced by the adrenal gland that aids in the regulation of blood pressure by regulating sodium and potassium levels in the body. Aldosterone promotes sodium reabsorption in the kidneys and causes potassium to be excreted in the urine.
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During cellular respiration which of the following is equal to the number of atoms in carbon and glucose
Answer:
Total number of oxygen atoms in carbon dioxide and water.
During cellular respiration, the total number of oxygen atoms in carbon dioxide and water is equal to the total number of oxygen atoms in glucose and oxygen gas.
Cellular respiration is the process by which food substances such as glucose are broken down to yield energy in the form of ATP. This energy is in turn stored or used by the cells to drive cellular process such as transport.
Cellular respiration occurs in three phases namely; glycolysis, kreb's cycle and electron transport chain.
The process uses glucose and oxygen as the reactants to yield energy, and carbon dioxide an water as byproducts.
The equation for the process is;
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
hope i helped
Explanation:
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Answer: oil and vinegar salad dressing
Explanation:
Answer:
It is d
Explanation:
They don't go together.