Multiple Choice
What is the current status of Earth's ozone layer?
A) The ozone layer is being irreversibly depleted and will probably disappear entirely within the next 200 years.
B) The ozone layer has been distorted-too thin at the poles and too thick over the equatorial regions.
C) The ozone layer has been somewhat depleted, but if left alone, it could restore itself in a century.
D) The ozone layer has become too thick and is moving downward toward the surface, where its heating qualities contribute to global warming.
Correct Answer:

Verified
Correct Answer:
Verified
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