Question

Select the correct answer.

Which is the best example of a strong research question?
A. How do you reduce air pollution?
B. Why is it important to be knowledgeable about air pollution?
C. Do you care about vehicle gas emissions in the air?
D. What is the most significant effect of reducing vehicle gas emis

Answer 1

D

Step-by-step explanation:

It is strong and asks the question.

Answer 2

I think the correct answer is

D. What is the most significant effect of reducing vehicle gas emissions in the United States?