Question

Which term defines a type of oxygen that forms a protective layer miles above the earth A. Fossil fuel B. Smog C. Pollution D. Ozone

Answer 1

Answer: The answer is D: Ozone

Explanation: I took the tests and it was right

Answer 2

The correct and valid answer is, D. Ozone.

Ozone (The ozone layer) defines a type of oxygen that creates a protective layer miles abve the earth.