Question

core - question # 13
which of the following gases help form the earths protective shield?
a methane
b radon
c stratospheric ozone
d carbon dioxide

Explanation:

Stratospheric ozone forms the Earth's ozone - layer, which is a protective shield that absorbs most of the Sun's harmful ultraviolet radiation. Methane is a greenhouse gas, radon is a radioactive gas, and carbon - dioxide is also a greenhouse gas, none of which form the Earth's protective shield in the same way as stratospheric ozone.

Answer:

C. Stratospheric Ozone