An increase in the amount of particulate matter (dust and smoke) in the atmosphere may result in cooler world temperatures because
A) more sunlight is absorbed by Earth.
B) more infrared radiation is emitted into space.
C) the dust reflects solar radiation.
D) dust reacts with ozone in an exothermic reaction.

Question

Quizplus · Accepted Answer

The dust in the atmosphere would reflect solar radiation, causing less to reach the Earth's surface, which would result in cooler temperatures.

An Increase in the Amount of Particulate Matter (Dust and Smoke)