Question

What is the ozone layer?

A. thin layer in the lower atmosphere that protects Earth from ultraviolet rays
B. thin layer in the upper atmosphere that protects Earth from ultraviolet rays
C. thin layer in the upper atmosphere that protects Earth from supersonic rays
D. thin layer in the lower atmosphere that protects Earth from supersonic rays
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Answer 1

Hello.

The answer here would be the answer A. The Ozone layer is a thin layer (located in the Stratosphere) in the lower atmosphere that protects the Earth from ultraviolet rays by absorption