Question

1. A gas which supports combustion
2. Radiations which are absorbed by ozone layer
3. Exhaled air contains a high percentage of ​

Answer 1

1) Oxygen is gas which supports combustion.

2) Ultra Violet (UV) Radiations are absorbed by ozone layer

3) Exhaled air contains a high percentage of carbon dioxide.

may this helps you

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Answer 2

Answer:

the answer is in the attachment Hope it helps you