Question

A .GIVE TWO EXAMPLES FOR THE FOLLOWING .
1.Two gases in the air:
2.particulate matter :
3.Eco friendly vehicles:
4.Air pollutants :

B .GIVE ONE WORD FOR THE FOLLOWING
1.A gas that supports burning
2.The trapping of heat in the earth's atmosphere
3.The gas that is useful for the growth of plants .
4.The breathing organ in fish
5.The harmful rays of the sun
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Answer 1

Answer:

1)oxygen and nitrogen

2)

3)

4)

one word:-

1)oxygen

2)

3)nitrogen

4)gills

5) ultraviolet rays