Geography

Question

Question 18 of 25

Which research question is most effective?

• A. How did natural gas affect the ozone layer in 1975?

• B. When were fossil fuels first discovered?

• c. What are fossil fuels?

© D. How do fossil fuels affect the atmosphere?

Answer

A. How did natural gas affect the ozone layer in 1975?

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The most effective research question out of the four options is A. How did natural gas affect the ozone layer in 1975? This question is specific and...