A student conducted a comparative investigation to test the hypothesis that different areas of New York City have different levels of air pollution. Which is a likely benefit of this comparative investigation? A It provides her with a large amount of information about air pollution in New York City.

B It provides her with results that are valid for a long time.

C It requires that she observe a limited number of variables.

D It allows her to learn about the causes and effects of air pollution in major cities.

A. It provides her with a large amount of information about air pollution in New York City.

Explanation:

A comparative investigation is when data is collected in order to make a particular comparison.

With regards to the question, the student conducted a comparative investigation in order to test the hypothesis that different areas of New York City have different levels of air pollution.

The benefit of this study done by the students is that it will provide her with a large amount of information about air pollution in New York City. The area with the highest air pollution, what causes air pollution and other necessary information can be gotten.

Therefore, the option is A.

the answer is a) cell division.

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they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.