While the surface temperatures can vary quite a bit, changes in temperature at the tropopause levels change much slower and are tied more to the time of year.<span>
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Answer:
A) Power plant
Explanation:
The key to understanding this question, is first knowing what "stationary" means. When something is stationary, it doesn't move, it just stays in one place.
Since power plants are buildings, they naturally don't move. On the other hand, the other choices are all vehicles that are intended to move. So while all of these options do cause air pollution, the power plant is the only one that is stationary.
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Explanation:
probably A but I'm not sure about it
Answer: It is <u>the metabolic process in living organisms by which oxygen is combined with carbon in a cell to form carbon dioxide and generate energy.</u>
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The answer is c
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