Lawmakers discuss methods of preventing pollutants that could directly start
a positive feedback loop in the area shown in the picture.
Which
of these
actions
should
they
take?
Total Ozone (Dobson units)
A. Ban the use of
chlorofluorocarbons
in rigeration
systems
B. Increase funding for coal technology
C. Lower allowed concentrations of particulate matter released from
factory smokestacks.
D. Increase the number of jets flying in the upper troposphere.

Lawmakers Discuss Methods Of Preventing Pollutants That Could Directly Starta Positive Feedback Loop

Answers

Answer 1

Answer:

A.

Explanation:

A P E X

Answer 2

Lawmakers discuss methods of preventing pollutants that could directly start a positive feedback loop in the area shown in the picture, and this happens due to the ban on the use of chlorofluorocarbons in refrigeration systems that is in Option A.

What are the negative impacts of chlorofluorocarbons on the ecosystem?

The ozone layer is an important component of the atmosphere that protects life on Earth from harmful ultraviolet radiation from the sun, and one of the major threats to the ozone layer is the release of man-made chemicals such as CFCs, which can react with ozone and deplete it, so if the ozone layer is depleted, more ultraviolet radiation can reach the Earth's surface, causing skin cancer, cataracts, and crop damage.

Hence, this happens due to the ban on the use of chlorofluorocarbons in refrigeration systems that is in Option A.

Learn more about the negative impacts of chlorofluorocarbons here.

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Related Questions

Can you help me, please?

Answers

The answer which you selected "transcription and translation" is correct

*PLEASE ANSWER IM BEING TIMED!!*
Most ecosystems tend to be complex because

they are found in all climates.

potential competitors in the ecosystem often occupy slightly different niches.

they all contain a wide variety of producers.

of symbiotic relationships within them.

Answers

Answer:

the most likely answer is option 3

they all contain a wide variety of producers

5. How are populations, ecosystems, and communities related? (1 point)
O A community consists of an ecosystem and its physical environment, and an ecosystem is made up of
many different populations of organisms.
O A population consists of a community of organisms and its physical environment, and a community is
made up of many different ecosystems.
O An ecosystem consists of a community of organisms and its physical environment, and a community is
made up of many different populations of organisms.
O An ecosystem consists of a population of organisms and its physical environment, and a population is
made up of many different communities of organisms.

Answers

Answer:

an ecosystem consists of a population of organism and it's physical environment,and a population is made up many different communities of organism.

In glycolysis, glucose is converted into two molecules of _____.

a. citric acid
b. oxaloacetic acid
c. pyruvic acid
d. Acetyl CoA

pls help cheif

Answers

Answer:

c

Explanation:

Enzymes split a molecule of glucose into two molecules of pyruvate (also known as pyruvic acid). This occurs in several steps, as shown in Figure below. In glycolysis, glucose (C6) is split into two 3-carbon (C3) pyruvate molecules. This releases energy, which is transferred to ATP

what kind of hormone stores glucose if its in excesse​

Answers

Answer:

A hormone that tells cells in your liver and muscles to convert glycogen into glucose and release it into your blood so your cells can use it for energy.

Which list of elements is placed in order from most reactive to least reactive?
A. F, O, N, Ne
B. N, O, Ne, F
C. Ne, F, ON
D. N, Ne, O, F

Answers

A is the answer

The two reactive elements that you should remember are Flourine (F) and Francium (Fr), and only F is first for one answer.

How can one use a community in teaching the concept "Safe use of agro-chemicals" to grade six level?

Answers

Answer:

A community can be divided into groups, where each group can present the correct ways to use agro-chemicals safely in different types of activity.

Explanation:

Using a community can be very helpful in teaching the safe use of agrochemicals. This is because, as a community usually has a large number of people, these people can be divided into small groups that will serve as small workshop rooms. Within these groups, the different ways to use agro-chemicals in a safe way, both for the applicator and for the environment, will be shown. Information on the composition of agrochemicals, first aid in case of accidents with the use of these products, among other things, can also be presented.

help pls *serious ppl only*

Answers

Answer:

6 for white parents, and 6 for black parents.

DNA is often compared to a twisted ladder. In this analogy, what forms the
rungs of the DNA ladder?
A. Pairs of nitrogenous bases
B. Pairs of nucleotides
C. Pairs of sugars
D. Pairs of phosphate groups

Answers

A- on the sides you would find the phosphate and sugar so the center is the AT or CG

The pairs of nucleotides result in the twisting of strands. Therefore, option "B" is correct.

What is nucleotide base pairing?

There are five types of nucleotide bases adenine, cytosine, guanine, thymidine, and uracil. These divide into two classes of nucleotides pyrimidine and purine nucleotide bases.  Pyrimidines are uracil, thymine, and cytosine whereas adenine and guanine are purine.

In RNA, adenine, cytosine, and guanine are present but thymine is replaced by uracil. Pyrimidine always binds with the purines through hydrogen bonding. Adenine binds with thymine. Cytosine binds with guanine. But when adenine pairs with uracil in RNA.

Therefore, nucleotide base pairing determines the twisting of the DNA strand depending on the type of nucleotide present.

Learn more about nucleotides, here:

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Which of the following is an example of a tissue?
A. Lung
B. Digestive tract
C. Bone
D. Heart

Answers

Answer:

C. Bone

Explanation:

because it is made up cells.

The other objectives are organs.

what is the meaning of respiration​

Answers

Answer:

in physiology respiration is the movement of oxygen from the outside environment to the cells with tissues and the removal of carbon dioxide in the opposite direction .. in contrast exhalation is usually a passive process

hope it's helpful

Answer:

The process of breathing.

Explanation:

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.

**Physiological respiration and cellular respiration are not the same. People sometimes use the word "respiration" to refer to the process of cellular respiration, which is a cellular process in which carbohydrates are converted into energy. The two are related processes, but they are not the same.

What are the five fields of plant biology?
Please explain your answer !!
Thank you!

Answers

Answer:

Plant biochemistry.

Plant ecology.

Plant evolution.

Plant physiology.

Plant anatomy and morphology

Think of an organism you've heard of or read about that has a surprisingly unusual trait or behavior. How is this trait or behavior different from similar organisms? How does it help the organism survive in its environment?

Answers

Answer: The organism with an unusual behaviour that I have read of is the CHAMELEON

Explanation:

Behaviour is everything an organism does in response to changes in its environment. It is basically adaptive, geared mainly to promoting the organism's survival and reproduction. Generally, we associate behavioural adaptations with animals since most behaviour patterns involve movements of various body parts and locomotion. Animals exhibit a variety of behaviour patterns with respect to

--> obtaining food,

--> escape and defence,

-->surviving unfavorable conditions,

--> communication,

--> finding mates and

--> caring for the young.

The CHAMELEON is famous for its rapid colour changes as it moves from a background of one colour to another. It is DIFFERENT from other similar organisms because it can display a variety of coloured patterns to blend with its background.

The colour change exhibited by the chameleons helps the organism to obtain food and survive in its environment. The CHAMELEON simply sits still, unnoticed and when an unsuspecting insect flies by, it flicks out its tongue to catch it.

Answer:

I have heard that black bears are almost entirely vegetarian while many other bears including polar bears are carnivorous. The black is not actually considered friendly but studies have shown that compared to other animals it is quite nice. Studies have shown that the black bear is omnivorous but that it rarely and I mean rarely eats meat. This trait is different from similar species such as polar bears that eat mainly bearded seals. But maybe if they lived in a place that actually grew plants or other vegetarian things maybe it could have also been a vegetarian or even omnivores. The black bear is also considered “nice” researchers have said that when they studied black bears that they aren’t the meanest animals around which I guess is a plus. The black bears mainly live in forests or even sometimes alpines. So being omnivorous or mostly vegetarian may help the organism survive in its environment because there are a lot of plants and other greens that it can eat around the area it stays in. As well as, when it is in the alpines there may be little to no greens so it will resort to meat or fish because it has to feed its cubs or because it is simply just hungry.

Explanation:

Read the question and type out the
mRNA codon that would result. (make
sure to capitalize)

Answers

Answer: Threonine or Thr.

Explanation:

DNA or deoxyribonucleic acid is a molecule containing genetic information that is passed on from one generation to the next. This molecule is transcribed into another molecule called messenger ribonucleic acid or messenger RNA which is used for protein synthesis in the ribosomes. That is, the one that determines the order in which the amino acids of a protein will be joined. Both RNA and DNA have monomers called nucleotides, composed of a sugar molecule (ribose in RNA or deoxyribose in DNA) linked to a phosphate group and a nitrogenous base. The nitrogenous bases can be adenine (A), thymine (T), guanine (G), cytosine (C) and uracil (U) in RNA replacing T.

A codon is a sequence of three nucleotides found in RNA that codes an amino acid. The genetic code describes the relationship between the sequence of DNA bases in a gene and the corresponding sequence of the protein it encodes. Also note that there is base complementarity between DNA and RNA, that is why DNA is used to make RNA. Complementarity is the ability of the nitrogenous bases in the nucleic acid molecule to combine with their complement, Adenine (A) with Thymine (T) in DNA and A with U in RNA; and Cytosine (C) with Guanine (G) joined by hydrogen bridges.

In the figure, a RNA molecule is shown with the bases, showing which amino acid is code by each codon. In the case where there is a mutation and the G is replaced by an A in the codon coding for alanine, the codon would be ACA coding for threonine or Thr.

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Cell Processes and Transport: Mastery Test
4
Select the correct answer from each drop-down menu.
Sodium and potassium lons are essential for muscle contractions of the heart. The ions are transported using a pump, which obtains
energy by the breaking of
. This action requires the expense of energy. So, sodium and potassium ions are transported using
Reset
Next

Answers

Answer:

Cell

Explanation:

Sodium and potassium ions are essential for muscle contractions of the heart, and the ions are transported using a pump, which obtains energy from the breaking of ATP molecules, this action requires the expenditure of energy, so sodium and potassium ions are transported using active transport.

What is muscle contraction?

Sodium and potassium ions play a crucial role in muscle contractions, including those of the heart, and to maintain the appropriate concentration of these ions inside and outside the cell, the body uses a protein pump called the sodium-potassium pump, which is an active pump. It requires energy to move substances across cell membranes; the pump uses the energy released by the breakdown of ATP molecules to change its shape, transport the sodium and potassium ions across the membrane, and regulate the muscle contraction.

Hence, the ions are transported using a pump, which obtains energy from the breaking of ATP molecules, this action requires the expenditure of energy, so sodium and potassium ions are transported using active transport.

Learn more about the muscle contraction here.

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question is incomplete, complete question is below

Select the correct answer from each drop-down menu.

Sodium and potassium ions are essential for muscle contractions of the heart. The ions are transported using a pump, which obtains energy by the breaking of ----. This action requires the expense of energy. So, sodium and potassium ions are transported using---

ATP,

active transport.

Complete the following sentence.
__________ is the science and practice of growing gardens.

Answers

Answer:

Horticulture is the science and practice of growing gardens.

Explanation:

4. Refer to the image below. Which statement is FALSE? *
O Option 1: ATP isn't used in this process.
Option 2: This process is an example of passive transport.
O
Option 3: Molecules move from an area of high concentration to an area of low
concentration.
O Option"4: This process occurs across the cell membrane.
O Option 5: ATP is used in this process.

Answers

Molecules move from an area of high concentration to an area of low concentration is F A L S E .

What is the function of histamine in inflammation
(Will mark as brainliest)

Answers

Answer:

Histamine increases the vasodilatation, and also increases the vascular permeability in the immediate transient phase of the acute inflammatory reaction. This histamine also acts as a chemical mediator in acute inflammation. The receptors of histamine is also involved in acute inflammatory reaction .

Histamine is involved in the inflammatory response and has a central role as a mediator of itching. As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast cells found in nearby connective tissues.

Why do you think species are endangered? Name some root cause of the problem.
How do you think this situation can be realistically improved?

Answers

Global warming from human activity. Mainly the burning of fossil fuels. There are many solutions that are already available. Such as solar, wind, and geothermal energy. The issue is that these solutions also have problems and are expensive. Likely a combination of them and the engineering of ways to safeguard pollutants so they don’t make it into the ecosystem will be the best way that this will improve.

Synthetic fiber has many characteristics that makes it more attractive than natural fiber for making clothing. Which of the following choices are true

1. Synthetic fiber has greater shape retention

2. Synthetic fiber often costs less

3. ALL options are correct

4. Synthetic fiber has greater durability

5. Synthetic fiber is more prone to heat damage in the wash than natural fibers

Answers

Answer:

C

Explanation:

Answer:

C

Explanation:

Can someone help me with Earth Science, please? I'll really appreciate it.

1. Describe some surface mining methods.

2. What are some ways an area can undergo reclamation after being mined?

3. What makes a gemstone valuable?

4. How is an atom different from an ion? How is an atom different from an element?

5. How is a molecule different from an element? Can a molecule be an element?

6. In which type of bonding are electrons shared? In which are they given or taken? Which type of bond is stronger?

7. What is a crystal?

8. What are the eight major mineral groups?

9. How does the native elements mineral group differ from all of the other mineral groups?

10. Which properties of a mineral describe the way it breaks apart?

11. Apatite scratches the surface of an unknown mineral. Which mineral would you use next to test the mineral’s hardness—fluorite or feldspar? Explain your reasoning.

12. What is the difference between magma and lava?

13. Explain how mineral veins form.

Answers

Answer: 1:There are five recognized types of surface mining, each with specific variations depending on the minerals being extracted. These include strip mining, open-pit mining, mountaintop removal, dredging and highwall mining.

2:Refilled/reshaped w/vegetation planted; filled w/water to become a lake; turned into landfill; left open as home for bats or sealed off if underground.

3:Physical characteristics that make a colored stone valuable are color, clarity to a lesser extent (emeralds will always have a number of inclusions), cut, unusual optical phenomena within the stone such as color zoning (the uneven distribution of coloring within a gem) and asteria (star effects).

4:Atoms where the electrons and protons are not equal are called ions. Ions are charged particles. They can be either positively charged ions or negatively charged ions.

5:Molecule is a substance with two or more atoms bonded together such as the oxygen humans breathe (O2). Elements are pure substances made up of all the same atoms such as gold (Au), hydrogen (H), and oxygen (O). Elements all have the same number of protons in their nuclei and can't be broken down.

6:A covalent bond involves electrons being shared between atoms. The most stable state for an atom occurs when its valence electron shell is full, so atoms form covalent bonds, sharing their valence electrons, so that they achieve a more stable state by filling their valence electron shell.

7:A crystal or crystalline solid is a solid material whose constituents are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

8:How does the native elements mineral group differ from all of the other mineral groups? Native elements contain atoms of only one type of element. Only a small number of minerals are found in this category. Some of the minerals in this group are rare and valuable.

9:How does the native elements mineral group differ from all of the other mineral groups? Native elements contain atoms of only one type of element. Only a small number of minerals are found in this category. Some of the minerals in this group are rare and valuable.

10:Cleavage. The way in which a mineral breaks along smooth flat planes is called cleavage. These breaks occur along planes of weakness in the mineral's structure. However, if a mineral breaks along an irregular surface, it does not have cleavage.

11: I would use fluorite to test the hardness because apatite has a higher hardness then fluorite does mean that the unknow mineral is lower on the hardness test then both apatite and feldspar. 5. Why is streak more reliable than color when identifying a mineral?

12:magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.

13:In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock. Veins form when mineral constituents carried by an aqueous solution within the rock mass are deposited through precipitation. The hydraulic flow involved is usually due to hydrothermal circulation.

Explanation:

Human-created climate change is caused by

A. decreased burning of fossil fuels.

B. increased carbon dioxide in the air.

C. increased oxygen in the air.

D. increased use of green energy sources.

Answers

Answer:

B

hope that helps<3

Answer: B

Explanation: increased burning of fossil fuels coupled with deforestation have resulted in increased levels of CO2 in the atmosphere.

Which describes a way that carbon is pulled out of the atmosphere?
O A. When fossil fuels are used
O B. When oil is burned
C. When trees use photosynthesis
O D. When animals exhale

Answers

Answer:

C. When trees use photosynthesis

Explanation:

This is because trees and plants need carbon to survive.

plz can anyone write an essay about water pollution about 1300 words

Answers

Answer:

Explanation:

The biological or chemical change in the quality of water due to the presence of contaminants in water is called water pollution. Most of this contamination as on date is due to various human activities. In fact, humans are responsible for the mass deaths of whales and other aquatic organisms often swept ashore at different beaches in the world. There is an urgent need to look into the measures to control water pollution although a lot many efforts and schemes have already been announced by the Government in this regard. To make the students aware of this we have prepared short and long essays for students which shall inform them about water pollution and the means to minimise it.

Water seeps inside cracks in a boulder and freezes. Over time, the cracks expand and the boulder breaks in half. What process caused this change in the rock?

Answers

Answer:

it may be erosion, I'm not quite sure but it could possibly be a form of erosion.

Help asap please! On 7 and 8

Answers

Answer:

7 is 3' AUC 5'

8 is 3' AUC 5'

Explanation:

remember in mrna the complementary base pair are adenine with Uracil and guanine with cytosine. you can also remember them as Apple Under and Car Garage.

How is the three-dimensional structure of type two collagen fibrils well-suited to their function during bone growth and development?

Answers

Answer:

Collagen is a hard, insoluble, and fibrous protein that makes up one-third of the protein in the human body. In most collagens, the molecules are packed together to form long, thin fibrils. These act as supporting structures and anchor cells to each other. They give the skin strength and elasticity.

Based on this information, what type of transport is used for glucose in blood and intestinal cells?

Answers

Answer:

Facilitative glucose transporters (GLUTs)

These are responsible for the bidirectional transport of glucose in tissues and cells. This involvesusing facilitative diffusion to carry glucose down a concentration gradient, into the cell.


Describe how the location of the center of gravity of
passengers plays a role in their position in space

Answers

Explanation:

The effect of the position of the CG on the load imposed on an aircraft's wing in flight is significant to climb and cruising performance. ... This requires a higher AOA (Angle of Attack) of the wing, which results in more drag and, in turn, produces a higher stalling speed.

Please help I’ll give brainliest

Answers

Answer:

53

Explanation: You do 36 + 17 = 53 neutrons

Answer: The answer is 19

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How did the Industrial Revolution motivate Europe to colonize andexpand?The people of Europe were an especially curious people--they wanted their government to explore new lands.The ship-building industry drove the need to send ships somewhere overseas, and to use the ships to transport cargo.The Industrial Revolution was just the first step politicians took toward finding more people to control.Additional resources were needed to feed the ever-multiplying factories all over Europe--and to make their owners rich. What does it mean to be powerful when consumer confidence is low which of the following is true Which information from this passage about Enkai is most important to include in a summary of the overall story? Which number is the BASE? 2 = 8 * The unit of distance used in astronomy is the light year, defined as the distance travelled by light in one calender year. How far away from earth (in km) is a star if its distance is quoted as 10 light years? 30 POINTS + BRAINLIEST!!! PLEASE HELP ASAP!!!Complete each congruency statement and name the rule used. If you cannot show the triangles are congruent from the given information, leave the triangle's name blank and write CNBD for "Cannot be determined" in place of the rule. A sudden loud sound such as an explosion can damage the ear, as can long-term exposure to high levels of sound. * URGENT: If is a second-quadrant angle and cos = -2/3, then tan = _____. When a king abdicates, he seizes power.he leaves the throne.he makes new laws.he rules the nation. Using the acronym SMART, list down your plans in achieving your dream profession in the future. Please help me Either he or his sister ___the work. (complete) There are 14 books on a shelf. 9 of these books are new. The rest of them are used. (GIVING POINTS AND BRAINLEST TO BEST ANSWER) what is the ratio? A furniture store donated a percent of every cell to charity the total sales were 7000 and 900 so the store donated $632 what percent of $7900 was donated to the charity Edna has a new St. Bernard puppy. He found a mud puddle on their last walk, so Edna needs to give him a bath. She buys a bottle of dog shampoo that costs $3.99. The bottle contains 28.5 ounces of shampoo. What is the cost per ounce of shampoo? Some chemical bonds are considered molecules while others are considered compounds. Explain what the difference is and provide one example for each. Read both passages and answer the question.Passage 1: Excerpt of John Muir's "Calypso Borealis"[1] After earning a few dollars working on my brother-in law's farm near Portage [Wisconsin], I set off on the first of my long lonely excursions, botanising in glorious freedom around the Great Lakes and wandering through innumerable tamarac and arbor-vitae swamps, and forests of maple, basswood, ash, elm, balsam, fir, pine, spruce, hemlock, rejoicing in their bound wealth and strength and beauty, climbing the trees, revelling in their flowers and fruit like bees in beds of goldenrods, glorying in the fresh cool beauty and charm of the bog and meadow heathworts, grasses, carices, ferns, mosses, liverworts displayed in boundless profusion.[2] The rarest and most beautiful of the flowering plants I discovered on this first grand excursion was Calypso borealis (the Hider of the North). I had been fording streams more and more difficult to cross and wading bogs and swamps that seemed more and more extensive and more difficult to force one's way through. Entering one of these great tamarac and arbor-vitae swamps one morning, holding a general though very crooked course by compass, struggling through tangled drooping branches and over and under broad heaps of fallen trees, I began to fear that I would not be able to reach dry ground before dark, and therefore would have to pass the night in the swamp and began, faint and hungry, to plan a nest of branches on one of the largest trees or windfalls like a monkey's nest, or eagle's, or Indian's in the flooded forests of the Orinoco described by Humboldt.[3] But when the sun was getting low and everything seemed most bewildering and discouraging, I found beautiful Calypso on the mossy bank of a stream, growing not in the ground but on a bed of yellow mosses in which its small white bulb had found a soft nest and from which its one leaf and one flower sprung. The flower was white and made the impression of the utmost simple purity like a snowflower. No other bloom was near it, for the bog a short distance below the surface was still frozen, and the water was ice cold. It seemed the most spiritual of all the flower people I had ever met. I sat down beside it and fairly cried for joy[6] Oftentimes I had to sleep without blankets, and sometimes without supper, but usually I had no great difficulty in finding a loaf of bread here and there at the houses of the farmer settlers in the widely scattered clearings. With one of these large backwoods loaves I was able to wander many a long wild fertile mile in the forests and bogs, free as the winds, gathering plants, and glorying in God's abounding inexhaustible spiritual beauty bread. Storms, thunderclouds, winds in the woodswere welcomed as friends.Passage 2: William Wordsworth's "I Wandered Lonely as a Cloud"[1]I wandered lonely as a cloudThat floats on high o'er vales and hills,When all at once I saw a crowd,A host, of golden daffodils;[5]Beside the lake, beneath the trees,Fluttering and dancing in the breeze.Continuous as the stars that shineAnd twinkle on the milky way,They stretched in never-ending line[10]Along the margin of a bay:Ten thousand saw I at a glance,Tossing their heads in sprightly dance.The waves beside them danced; but theyOut-did the sparkling waves in glee:[15]A poet could not but be gay,In such a jocund company:I gazedand gazedbut little thoughtWhat wealth the show to me had brought:For oft, when on my couch I lie[20]In vacant or in pensive mood,They flash upon that inward eyeWhich is the bliss of solitude;And then my heart with pleasure fills,And dances with the daffodils.Both passages use the word "lonely" in their first sentence. In a paragraph of 4-6 sentences, explain how each author feels about his loneliness and how nature takes away their loneliness. Use evidence from both texts to support your answer. Nadine conducted an experiment with four possible outcomes. Trevor conducted the same experiment, but he doubled the number of trials. Which statements are true? Line x line y find the measures of angle 4 HelpppppppWhich choice is equivalent to the product below