Question

human activities are changing the composition and structure of the atmosphere

Answer 1

Answer:

Human activities are responsible for changing the structure and composition of the atmosphere due to the use of AC and refrigerators containing CFCs which is thinning the atmosphere and reducing it's ability to absorb harmful rays such as UV rays.

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Answer 2

Answer:

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Explanation:

Human activities are responsible for changing the structure and composition of the atmosphere due to the use of AC and refrigerators containing CFCs which is thinning the atmosphere and reducing it's ability to absorb harmful rays such as UV rays.