Question

6. Which gas in the atmosphere is essential for respiration?
7. List five activities that are possible due to the presence of air?
8. Where do aquatic animals get oxygen from?
9. What makes firki to rotate?
10. Name the different layers of atmosphere.

Answer 1

Answer:

6.oxygen

7.speaking

breathing

combustion

flying

writing with a pen.

8.they get oxygen in form of dissolved gases in water.

9.the pressure exerted by air makes firi to rotate.

10.sorry for this bro i forgot exactly the name of layers.you can goolefor this.

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