Scientists have been concerned about a set of industrial chemicals called CFC's (chlorofluorocarbons) because they:
A) seep into the groundwater and increase the chances of earthquakes
B) rise into the atmosphere and keep the Earth's heat from escaping
C) rise into the atmosphere and destroy ozone
D) rise into the atmosphere and absorb x-rays from space, which we need down here
E) increase the chances of volcanic eruptions where the Earth's crust is thin

Question

Quizplus · Accepted Answer

CFC's rise into the atmosphere and destroy ozone, which can lead to an increase in harmful UV radiation reaching the Earth's surface. This is a major concern for environmental scientists and governments around the world.

Scientists Have Been Concerned About a Set of Industrial Chemicals