Question

what is the likely long - term consequence of an increase in the relative percent of greenhouse gases in earths atmosphere?
a. earths average temperature will increase.
b. earths average temperature will decrease.
c. earth will experience greater temperature extremes.
d. earths average temperature will be unaffected.
please select the best answer from the choices provided.

Explanation:

Greenhouse gases trap heat in the Earth's atmosphere. An increase in their relative percentage will lead to more heat being trapped, causing the average temperature to rise.

Answer:

A. Earth's average temperature will increase