Multiple Choice
The ozone layer is
A) close to Earth and poses no serious health threats.
B) in the stratosphere and protects the planet from UVB radiation.
C) a harmful chemical that is produced when oxygen interacts with water.
D) a layer of toxic gas produced by the discharge of aerosols,refrigerants,and solvents high into the earth's stratosphere.
Correct Answer:
Verified
Correct Answer:
Verified
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