Question

Help with true or false

Answer 1

Explanation:

1)true

2)false

3)true

4)false

5)true

6)true

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Answer 2

Explanation:

1. The ozone layer absorbs the harmful ultraviolet radiation - true.

2. air contains 78 percent Oxygen and 21% nitrogen. - false

correct statement = air contains 21% Oxygen and nitrogen 78%

3. thermosphere layer is characterized by it's higher temperature. -- true.

4. air extra its pressure in downward direction only -- true.

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