option B: Acid rain is an agent of wedging.
Acid rain is an important factor in this process of weathering or wedging of rocks. A chemical reaction takes place when acidic rainfall contacts limestone or chalk. The reaction produces new, soluble molecules. These disintegrate in the water, are washed away, and cause the rock to weather.
What is wedging in science?
When fractures in rocks or other surfaces fill with water, freeze, and then expand, the cracks become larger and finally shatter. This process is known as wedging or weathering.
What results in acid rain?
When sulfur dioxide (SO2) and nitrogen oxides (NOX) are released into the atmosphere and carried by wind and air currents, it results in acid rain. Nitric and sulfuric acids are created when the SO2 and NOX react with water, oxygen, and other substances. Then, before hitting the ground, they combine with water and other substances.
The majority of the SO2 and NOX that contribute to acid rain originates from burning fossil fuels, however a tiny amount comes from natural sources like volcanoes.
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Which characteristic(s) of water helps it to move up through a plant stem?
cohesion
adhesion
passive transport
gravity
(It’s multiple choice)
Answer:
cohesion
Explanation:
I can't explain but I think it's correct
gap junctions are a complex of integral membrane proteins called connexins arranged in a ring. in plasmodesmata, the plasma membranes of the two connected cells are actually continuous. gap junctions and plasmodesmata have what feature in common? they are both found in plant cells. they both are made up of protein subunits located in the plasma membrane. they both attach to the cytoskeleton. they both allow direct transport of materials between cells.
Connexins, a group of integral membrane proteins, are organized in a ring to form gap junctions. The plasma membranes of the two linked cells are continuous in plasmodesmata. Both of them are present in plant cells.
What are gap junctions?Gap junctions are complex proteins that form channels on the lateral side of cells, connecting the cytoplasm of two cells and enabling communication between them. features of gap junctions. based on size and charge, choose (some allow both anions and cations). To tiny molecules, they are receptive.
Gap junctions are membrane channels that facilitate the flow of ions and tiny metabolites from one cell to another. Gap junctions are crucial for impulse conduction in the heart. The connexins are a multigene family that has been implicated in the last ten years' worth of research in explaining how gap junctions are encoded.
In that, they are channels between adjacent cells that permit the transfer of ions, nutrients, and other materials that enable cell communication, gap junctions in animal cells are similar to plasmodesmata in plant cells.
Therefore, the correct answer is option d) They both allow the direct transport of materials between cells.
The complete question is:
Gap junctions are a complex of integral membrane proteins called connexins arranged in a ring. In plasmodesmata, the plasma membranes of the two connected cells are continuous. Do gap junctions and plasmodesmata have what features in common?
a) They are both found in plant cells.
b) They both are made up of protein subunits located in the plasma membrane.
c) They both attach to the cytoskeleton.
d) They both allow the direct transport of materials between cells.
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The features common for plasmodesmata and gap junctions are, In that they serve as conduits for the passage of ions, nutrients, and other materials that allow cells to communicate, gap junctions in animal cells are similar to plasmodesmata in plant cells.
What are the difference between plasmodesmata and gap junction ?Plasmodesmata (PD) are gated plant cell wall channels that facilitate the movement of chemicals between cells. They are crucial for plant development as well as the coordination of cellular and systemic signaling responses during interactions between plants and their biotic and abiotic surroundings.
The body contains various locations where gap junctions can be detected. This contains the nerves, cardiac (heart) muscle, and smooth muscle that coat the surfaces of the body.
Between every pair of plant cells, there is a channel called plasmodesma that cuts through the cell wall. In contrast to gap junctions, where one cell's plasma membrane is separated from another by a gap, a plasmodesma's plasma membranes are joined together, creating a small space between them.
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A car accelerates from 25 mi/hr to 55 mi/hr in 0.0083 hr. What is its acceleration?
The acceleration of the car, given it accelerated from 25 mi/hr to 55 mi/hr in 0.0083 hr is 3614.46 mi/hr²
How to determine the accelerationThe formula for calculating acceleration is given as follow:
a = (v – u) / t
a is the acceleration v is the final velocity u is the initial velocity t is the timeThe acceleration of the car can be obtained as illustrated below:
Initial velocity (u) = 25 mi/hr Final velocity (v) = 55 mi/hrTime (t) = 0.0083 Acceleration (a) =?a = (v – u) / t
a = (55 – 25) / 0.0083
a = 30 / 0.0083
a = 3614.46 mi/hr²
Thus, we can see clearly that the acceleration of the car is 3614.46 mi/hr²
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The aragoss gel filters and what? The pieces of dna
Honestly, I think this would be really easy to look up and also I think you need to fix your grammar I had no idea what this question was asking.
How do dying stars contribute to the formation of new stars?
A.
The light elements they expel form new nebulae.
B.
Their core is absorbed by neighboring nebulae.
C.
Their radiation facilitates nuclear fusion in young stars.
D.
They transform into a gravitational field that attracts hydrogen.
explain how an asteroid can cause mass extinctions. brief explanation Please
Answer:
When an asteroid hits very high-hydrocarbon areas, occupying 2.1% of the Earth's surface, it causes more severe cooling and resultes in mass extinction.
NEED HELP ASAP PLEASE!
4. What determines the structure of the catalase molecule?
Answer:
The catalase reaction is dependent on the substrate concentration. If you have an excess of enzyme but not enough substrate, the reaction will be limited by the substrate availability.
The activity of catalase enzymes determines the structure of catalase molecules. This is because it has two enzymatic activities and depending on the concentration of hydrogen peroxide, it has to change its structure.
What is the function of the catalase enzyme?The function of the catalase enzyme is to accomplish neutralization through the process of decomposition of hydrogen peroxide. Due to this, the optimum level of molecules is maintained within the cell.
Catalase enzyme is the key enzyme that is tetrameric in nature and consists of four identical subunits. Each of them contains a heme group and NADPH.
The reaction of catalase significantly depends on the concentration of substrate. For example, if catalase is treated with the excess of the enzyme but not enough substrate, the reaction will be limited by substrate availability.
Therefore, the determination of the structure of the catalase molecule is well described above.
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suppose a biologist wants to measure the repirtory rate of yeast cells fed varying concentrations of glucose. she sets up five beakers and in each puts 3g
Respiratory rate on the Y axis and Mass of sugar on the X axis
In the presence of oxygen, yeasts consume glucose to release energy; as glucose has a greater rate of respiration, more glucose causes yeasts to respire more quickly. This cellular respiration generates water, energy, and carbon dioxide.
Yeast will produce more carbon dioxide at higher temperatures, which will result in more bubbles developing. The rate of respiration will decrease whenever the temperature rises above a particular level.
In a test, Sarah discovered that using glucose as a substrate, 1 g of yeast produced 20 cm 3 of carbon dioxide in three minutes.
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The given diagram shows a portion of aerobic respiration in which carbon dioxide is given off as a waste product. Which process is diagrammed?
BIO HELP PLEASE!!!!
The portion of aerobic respiration where carbon dioxide is given off as a waste product is: Citric Acid Cycle.
Aerobic respiration is the breakdown of glucose to yield energy by utilizing the oxygen. Molecules apart from glucose are also participate in aerobic respiration, however all are first broken down into glucose to further perform the process.
Citric Acid Cycle is the part of aerobic cellular respiration which oxidizes the Acetyl CoA to yield energy forms like NADH, GTP and FADH. Carbon dioxide is released as the by-product in this cycle. The process takes place in the mitochondrial matrix.
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If you burn dead matter would energy storage molecules increase?
If you burn dead matter, the overall energy of the storage molecules would decrease because it breaks chemical bonds that contain potential energy.
What is chemical energy?Chemical energy is a type of potential energy stored in the chemical bonds that form molecules. Burning has the ability to break chemical bonds, thereby relating energy and also decreasing the potential energy stored by the storage molecules.
Therefore, we can conclude that chemical energy is a type of energy stored in the bonds of compounds, which is released by burning and therefore it decreases the energy.
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Forty years ago, rainforests once covered over 14% of the Earth’s land surface and now cover a mere 6%. Some sources state that every second we lose over an acre of this precious land containing nearly half the world’s species of plants, animals, and microorganisms to deforestation. One reason for the deforestation of rainforests has been to attain land for the purpose of agriculture. Humans have destroyed a vast diversity of species for the sake of growing eight basic grains. Growing only one type of species in a large area of land is known as a monoculture. Which of the following would not be a harmful side effect of monocultures? * 1 point extinction of native plant and animal species disease may lead to the elimination of the entire crop an increase in sulphur dioxide emissions leading to acid deposition loss of possible cures to diseases
An increase in sulfur dioxide emissions leading to acid deposition is not an example of monoculture.
What are the harmful effects of monoculture?In the field of agriculture, monoculture is the practice of growing one crop on the land at one time. Monoculture is used in intensive as well as organic farming. Raising a single crop has a big disadvantage as it increases the risk of disease and pest infestation because monocultures have no plant and animal species that prevent the spread of disease as well as control pests through predation. In a monoculture system, farmers can spend less time on their lands and get higher productivity. Planting monoculture fields also allows farmers to buy seeds, fertilizers, and pesticides in large amount because it is needed in large amount. During monoculture, no increase occurs in sulfur dioxide emissions in the atmosphere.
So we can conclude that an increase in sulfur dioxide emissions leading to acid deposition would not be a harmful side effect of monocultures.
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If f(x) = 3x and g(x)=x, which expression could be used to verify that g(x) is the inverse of f(x)?
A) 3x (x/3)
B) (1/3x) (3x)
C) 1/3 (3x)
D) 1/3 (1/3)
The 1/ 3(3x) formula could be used to confirm that g(x) is the inverse of f if f(x) = 3x and g(x) = 1/3x (x).
The correct option is C.
How do you explain inverse?The opposite of an operation is an inverse operation. They are the procedure that undoes the results of another procedure. For instance, multiplication is the inverse operation of division, and addition is the inverse operation of subtraction.
Briefing:We must determine the composition of such functions in order to determine whether two functions are inverse, that is:
f(g(x)) which results must be the variable x to be inverse functions
We know that f (x) = 3x; g(x) = 1/3x
Replacing on the composition:
f(g(x)) = 3(1/3x) = x
To prove that these functions are inverse, the expression C must be used.
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Murray is observing a bacterial colony that is growing in agar in a Petri dish. Agar is processed seaweed. Murray calculates that the population doubles in size every 32 hours.
Which conclusion is supported by Murray's observations?
A. The agar and air in the Petri dish are providing all of the resources needed by the bacteria.
B. The bacterial colony is growing in all regions of the agar in the Petri dish.
C. The bacterial colony will continue doubling in size indefinitely.
D. The agar and air in the Petri dish are limiting factors on the growth of the bacterial colony.
Please get me a good explanation
The conclusion that is supported by Murray's observations is the agar and air in the Petri dish are providing all of the resources needed by the bacteria.
This is further explained below.
What is agar?Generally, Agar, also known as agar-agar, is a material that has the consistency of jelly and is made up of polysaccharides.
These polysaccharides are extracted from the cell walls of certain species of red algae, most commonly ogonori and "tengusa."
The linear polysaccharide agarose and a heterogeneous combination of smaller molecules known as agaropectin are the two components that combine to form agar. Agar is a mixture of these two substances.
In conclusion, The conclusion that is reinforced by the findings made by Murray is that the agar and air that are contained inside the Petri dish are supplying all of the resources that are required by the bacteria.
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a scientist discovers a chemical in certain rocks that kills bacteria when it is mixed with sterile water in a test tube. she cannot market extracts that contain this chemical as a dietary supplement, because it
Scientists cannot market extracts that contain this chemical that can kill bacteria as a dietary supplement because it does not contain dietary ingredients.
In the field of medicine, we can describe dietary supplements as such kinds of medications that help to improve the nutrient levels in an individual and also help in treating various kinds of health-related issues. However, it is important that each dietary supplement be approved by the FDA before they are launched in the market.
In the scenario above, the scientist cannot market extracts that contain a chemical that kills bacteria as rocks are not dietary ingredients. Only those ingredients that can be consumed by humans and come under the list of dietary ingredients can be used as a dietary supplement after the FDA has approved it.
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The kinesthetic system is the sensory system that involves ___________. a. the bones in the middle ear and inner ear b. information from the muscles and joints c. the sensory receptors in the vestibular sacs d. information from the olfactory cilia please select the best answer from the choices provided a b c d
Answer:
B. information from the muscles and joints.
An interesting phenomemon occors in plants that are withering: when watered they "perk up" or stand up. this is eveidence of a plant needing water. what organelle in a plant do you think is most asscociated witht this phenomenon?
Answer:
The Vacuole is the answer
Fossil fuels, such as coal and oil, get their names because they form from fossilized organisms trapped under extreme pressure and heat from the center of Earth. Explain how the model shows the requirements for fossil fuel formation.
Model is in the picture.
Thank you.
Oil belongs to the petroleum category, and matter is converted into oil. Organic matter can also be converted to natural gas under high enough pressure. The two primary forces that convert organic matter into fossil fuels are heat and pressure.
What exactly fossil fuels are?A fossil fuel is a naturally occurring hydrogen-containing material found in the earth's crust from the remains of dead plants and animals that must be extracted and burned as a fuel.
Fossils are a natural source of energy formed by the decomposition of plants and animals. Fossil fuels were discovered in the earth's crust and contain carbon and hydrogen, which can provide energy when burned. Natural gas is typically discovered in pockets above oil deposits. It has also discovered where natural oil must be found.Coal, oil, and natural gas are the most common types of fossil fuels. Coal is a material that is typically found in sedimentary rock deposits where rock and plants have been buried for an extended period of time. Oil was discovered as a solid material between layers of sedimentary rocks, such as shale. This substance has been heated and converted into gasoline.To learn more about fossil fuels refer to :
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What monomer is represented by nitrogen base, phosphate, and 5-carbon sugar
A student places four identical cells into four different liquids.
Which cells would take in water and swell?
cells X and Z
cells W and Y
cells X and Y
cells W and Z
In a scenario where four identical cells are placed in four different liquids then the cells which would take in water and swell are cells X and Y and is denoted as option C.
What is Osmosis?This is referred to as the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to that of a higher solute concentration.
In a scenario where there is a decrease in the solvent molecules then it will be less salty and have a lower concentration of water which may make it shrink and is referred to as plasmolysis.
In cells in which there is an increase in the solvent molecules then it will be salty and have a higher concentration of water which is responsible for it swelling and is therefore the reason why cells X and Y was chosen as the correct choice.
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The full question is:
A student places four identical cells into four different liquids.
Cell Description of Liquid
W Saltier than the cellX Less salty than the cellY Higher concentration of water than the cellZ Lower concentration of water than the cell13. what are the muscles of the quadriceps group and the hamstrings group? what are the antagonist actions of the quadriceps and the hamstrings? 1 pts enter your answer here
At the knee, the quadriceps femoris muscle group stiffens the leg. The quadriceps femoris muscle, which is used to flex the knee, is an enemy of the hamstrings.
What is the function of the 4 quadriceps muscles?Your quadriceps femoris, also known as your quad muscles, are a set of muscles on the front of your thigh. They are the largest group of muscles in your body collectively. Running, jumping, walking, and other actions all require the use of your quads.
Functions of the quadriceps and hamstrings :Together, your hamstrings and quadriceps move your leg. The quads relax and the hamstrings tighten when you bend your leg. On the other hand, when you straighten your leg, the hamstring muscles relax and the quads contract.
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the infraspinatus inserts on the of the humerus. the infraspinatus inserts on the of the humerus. lesser tubercle of the humerus acromial process of the scapula coranoid process of the scapula greater tubercle of the humerus
The infraspinatus inserts on the greater tubercle of the humerus of the humerus. The infraspinatus inserts on the of the humerus. Lesser tubercle of the humerus acromial process of the scapula coranoid process of the scapula greater tubercle of the humerus,
Humerus- A long bone called the humerus is situated in the right forearm, between both the shoulder and elbow joints. The glenohumeral joint is formed when the proximal humerus joins the shoulder through glenoid fossa in the scapula. At the elbow, its distal humerus articulates with the forearm's radius and ulna.
Coranoid- The upper the front and portion of the ulna have a triangular prominence that projects forward called the coronoid process. Its foundation is quite strong and runs the entire length of the bone. When the forearm bends, its pointed, somewhat upward-curving peak enters its coronoid fossa of a humerus.
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The sensory system that controls and monitors the positions of various parts of the body is called the __________ system. a. gustatory b. olfactory c. kinesthetic d. vestibular please select the best answer from the choices provided a b c d
The sensory system that controls and monitors the positions of various parts of the body is called the c. kinesthetic system.
In the field of biology, we can define a kinesthetic system as a kind of system that lets the body of a person be aware of the movements and positioning of the body. Through the kinesthetic system, an individual becomes aware of the movements that are undergoing in any part of his body.
In the kinesthetic system, any kind of movement or positioning shown by the muscles as well as the joints are controlled and monitored. The kinesthetic system is a part of the sensory system.
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Of the discoveries during the Scientific Revolution, which one has had the greatest impact on our lives?
Please help me
Answer: throughout history, the influence Jesus had on the lives of people has never been surpassed. No other great leader has inspired so many positive changes in the lives of his followers. People who encounter the risen Christ are totally transformed. Their outlook on life is altered forever. Staying true to their faith, they do not hesitate to face hardship, persecution, and even death. Many consecrate their lives to serving others, minimizing their own needs and desires.
if you touch the dorsal part of your hand near the thumb with the tip of a pencil, you may notice the sensation of cold, even though the pencil lead is at room temperature. what is this called?
if you touch the dorsal part of your hand near the thumb with the tip of a pencil, you may notice the sensation of cold, even though the pencil lead is at room temperature, called labeled line coding Summation units.
labeled line coding Summation units are frequently used in theories of numerosity representation because neurons that encode simply sensory magnitude typically exhibit monotone response functions. The limited range of tested numbers in these investigations prevented a conclusive conclusion, however cells expressing numerical quantity show nonmonotonic tuning functions that peak at their chosen numerosity ("labeled-line code").
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What will happen if the internal environment is the same as the external environment?
The internal environment includes all of the factors that have the potential to influence the company's decisions, operations, and strategies. On the other hand, the external environment includes those factors that can have a positive or negative impact on the company's survival, growth, reputation, and expansion.
What is external environment?A business's external environment refers to the external factors in the environment that affect the business. Institutions, organizations, and forces operating outside the company are examples of external environments. External environment factors are elements that exist outside of a company's internal environment and can have an effect on its operations. These external forces can either help or hinder the business's current processes. The external environment is divided into two types: microenvironment and macroenvironment. The micro environment is made up of factors that have a direct impact on the operation of a business. The macro environment is made up of general factors over which a business typically has no control.To learn more about external environment, refer to:
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Which region of the brain is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks?.
The region of the brain is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks is The amygdala.
What is the role of the amygdala?The social networks of those with larger amygdalae were more extensive and also intricate. Face recognition as well as the ability for others to react properly to various emotional expressions are both functions of the amygdala.
The amygdala is typically believed to be the central component of a brain system for processing scary and frightful stimuli, including threat recognition and activation of appropriate fear-linked responses in response to dangerous or harsh stimuli.
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Fat and ATP are different molecules that can both be described as molecules that store energy. Compare the functions of these molecules in terms of energy storage.
a
ATP molecules are made when where there is an excess amount of energy, while fat molecules are used immediately.
b
ATP molecules are used for long-term storage, while fat is used for immediate energy.
c
Fat molecules are stable and can be stored for a long time, while ATP is not.
d
Fat molecules are unstable and can be stored short-term, while ATP molecules are stable and stored long term.
Answer:
The correct answer is C, fat molecules are stable and can be stored for a long time, while ATP is not.
Explanation:
I got it right on the exam
Help me and thanks !!
Five fundamental processes by which nitrogen is fixed through the biosphere, air, and geosphere are nitrogen fixation, nitrogen take-up through organismal development, nitrogen mineralization through rot, nitrification, and denitrification.
Nitrogen fixation is the method wherein N2 is changed over to ammonium, or NH4+. Usually, the as it were way that living beings can achieve nitrogen straightforwardly from the environment; the few that can do this are called nitrogen-fixing life forms.
Certain microscopic organisms, counting those among the class Rhizobium, can settle nitrogen.
The ammonium (NH4+) delivered by nitrogen-fixing microbes is as a rule rapidly taken up by a plant, the microbes itself, or another soil living being and consolidated into proteins and other natural nitrogen compounds, like DNA.
After nitrogen is consolidated into the natural matter, it is regularly changed over back into inorganic nitrogen by a preparation called nitrogen mineralization, something else known as decay.
A few of the ammonium created by decay is changed over to nitrate (NO3-) using a preparation called nitrification.
Denitrification is an anaerobic preparation that's carried out by denitrifying microbes, which change from nitrate to dinitrogen.
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How is it possible that the reactants and products for both chemical equations have the same quality of carbon, hydrogen, and oxygen atoms, yet the reactants and products are different molecules?
Answer: in a chemical reaction, the products and reactants will still have the same matter, just in a different form. The reason there is a reaction in the first place is the molecules are rearranged, but the matter that makes them up does not change.
Explanation:
in a first attempt to describe the relationship between genes and phenotypes, beadle and tatum in the 1940s stated that each gene is a section of the genome that codes for a specific enzyme (one-gene-one-enzyme hypothesis). which more recent discoveries regarding gene expression are not covered by this hypothesis?
RNA- All living cells contain ribonucleic acid (abbreviated RNA), a nucleic acid with properties comparable to those of DNA. However, RNA is often single-stranded, unlike DNA. Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of consecutive phosphate groups as well as the sugar ribose.
Enzyme- A biological catalyst called an enzyme is usually always a protein. It accelerates a certain chemical process in the cell. The enzyme is continuously employed during the process and is not destroyed.
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