Multiple choice

How is the troposphere warmed?

  1. The troposphere absorbs sunlight directly.

  2. The Sun warms Earth's surface, which warms the air above it.

  3. The stratosphere warms it.

  4. The gases in the troposphere absorb heat from the Sun.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Most solar radiation passes through the atmosphere and is absorbed by Earth's surface. The surface then heats up and warms the adjacent air in the troposphere through conduction and convection.