Question

What is the likely long-term consequence of an increase in the relative percent of greenhouse gases in Earth’s atmosphere?

a. Earth’s average temperature will increase.
b. Earth’s average temperature will decrease.
c. Earth will experience greater temperature extremes.
d. Earth’s average temperature will be unaffected.

Answer 1

A: Earth’s average temperature will increase.

Step-by-step explanation:

Answer 2

Green house gases causes greenhouse effect which leads to global warming.
It causes the heat to get trap in the atmosphere .
So according to above explanation,
a. Earth’s average temperature will increase, is the correct answer.