Acid rain is an example of____a. a primary pollutant
b. a secondary pollutant
c. a tertiary pollutant
d. none of the above
Answers
Acid rain is an example of a secondary pollutant. Therefore, option (B) is correct.
Factory, car, and power plant emissions are primary pollutants. Primary pollutants include and NOx from fossil fuel combustion.
Secondary pollutants are created by chemical interactions between main pollutants and other air components. Acid rain is created when primary pollutants like sulphur dioxide (SO2) and nitrogen oxides (NOx) mix with water, oxygen, and other atmospheric components. These interactions produce sulfuric and nitric acids, which fall as acid rain. Therefore, option (B) is correct.
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Related Questions
a student pushes a 0.5 kg lab cart with a force of 3 newtons.determine the acceleration in meters per second-squared of the cart
All of the rabbits, deer, and several bird species found within a field are considered to be part of a/an A. biosphere.B. population.C. ecosystem.D. community.
Which of the following best describes the process that adds a monosaccharide to an existing to an existing polysaccharide
How is a virus different from a bacterium?OA. A bacterium inserts its genome into the host cell. A virus does not.OB. A virus inserts its genome into the host cell. A bacterium does not.OC. A virus causes illness, but a bacterium does not.OD. A bacterium causes illness, but a virus does not.
a decrease in ecosystem stability
b.
random fluctuations in ecosystem stability
c.
an increase in ecosystem stability
d.
no change to ecosystem stability
Answers
Answer:
c.
an increase in ecosystem stability
Explanation:
Final answer:
An increase in biodiversity generally causes c) an increase in ecosystem stability.
Explanation:
An increase in biodiversity generally causes c) a increase in ecosystem stability.
- This is because a higher biodiversity means a greater variety of species, which can provide more stability to an ecosystem.
- For example, if one species is negatively impacted by a disturbance, other species can compensate for the loss and maintain the overall stability of the ecosystem.
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2. What are the elevations of lines A and B?
3. Provide an approximate elevation for points W (point is inside the circle), X, and Y (point is on the line).
Answers
1. The contour interval is 20.
Explanation:
On the map we can see a relief that is depicted with contour lines. The contour lines tend to be very close to each other in general so we can safely make the assumption that the relief is relatively steep, though in accordance to the elevations it is not a high one, but instead the highest points are actually hills.
From the numeric markings on the contour lines we can see the numbers 100, 200, 300, and in between them there are four contour lines. Since the difference in elevation in between every fifth contour line is 100, if we divide that number by the number of contour lines from one thicker contour line to another, which is five, than we get a value of 20, meaning that that is the contour interval.
2. and 3. A has an elevation of 80, B of 60, W between 301 and 319, X between 21 and 39, and Y of 400.
Explanation:
The contour interval is 20 on this map, so with the values we already have as marked on every fifth contour line, as well as the additional contour elements on the map or better reading of it, we can relatively easily establish the value of any point. We have five points in question, some being on the contour lines themselves, while some inside of them, meaning that for the ones on the contour lines we can give an exact value, while for the one inside we can give approximate value.
The points A, B, and Y are all marked on contour lines. A is on the contour line just below the one marked with 100, so minus 20 means that it has a value of 80. The point B is on the second contour line below the one marked 100, so minus 40 means it has a value of 60. Point Y is marked on a main contour line which is not marked, but it is the first thick one after the one marked with 300, so 100 plus means it has an elevation of 400.
Points W and X are marked inside the contour lines, so we can just give a range of value for them. Point W is marked above the contour line marked with 300 and there is no next contour line. Since the contour interval is 20, it means that this point can have value ranging from 301 to 319. Point X is marked below the contour line with a value of 40 and there is no other contour line below, meaning that the value can be in the range of 21 to 39.
Answers
Newton's third law of motion states that for every action in nature there is an equal and opposite reaction. This law is also known as action-reaction law.
What was Newton's third law?
Newton's third law of motion states that for each and every action (force) in nature there is an equal and opposite reaction. This says that forces always act in pairs they do not act independently. Action and reaction forces are the forces of equal and opposite magnitude, but they are not balanced forces because they act on different objects hence they don't cancel out each other.
For example, if an object A exerts a force on object B, object B also exerts an equal and opposite force on object A. In other words, the forces result from interaction between the two.
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For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.
Cast fossil
Petrified fossil
Trace fossil
Answers
Similarly, legends of the Cyclops may be based on fossilized elephant skulls found in Crete and other ... The process of a once living organism becoming a fossil is called fossilization. ... The most common method of fossilization is permineralization. ... Some fossils form when their remains are compressed by high pressure.
B) conclusion.
C) experiment.
D) hypothesis.
Answers
Answer:
conclusion
Explanation:
A conclusion summarizes the report by drawing inferences from the entire project and the impact of the findings or decisions. In the conclusion, you restate the hypothesis and summarize your main points of evidence for the objectives.
Answer: conclusion. C
Explanation:
Answers
From your list, it would be:
a. Fat must be broken down into fatty acids before being converted to glucose
Answer:
Fat must be broken down into fatty acids before being converted to glucose. Or A. EDG 2020
Explanation: