Question

Although their concentration in the atmosphere is much less than carbon dioxide,______ absorb Earth's outgoing radiation and cause warming of the troposphere.

a) Methane

b) Oxygen

c) Nitrogen

d) Argon

Answer 1

Methane absorbs Earth's outgoing radiation and causes warming of the troposphere.

Step-by-step explanation:

The correct answer is a) Methane. Although their concentration in the atmosphere is much less than carbon dioxide, methane absorbs Earth's outgoing radiation and causes warming of the troposphere.