Question

how does water vapor in the atmosphere influence the earth’s temperature? it cools the atmosphere by reflecting sunlight. it retains the sun’s energy, making the climate warmer. it only affects the temperature in the upper atmosphere. it only affects the temperature in the lower atmosphere.

Explanation:

Water vapor is a greenhouse gas. It absorbs and emits infrared radiation, trapping heat in the Earth - atmosphere system and contributing to warming the climate.

Answer:

It retains the Sun’s energy, making the climate warmer.