Question

C. Write T for True and F for False :
1.
2.
Air is a mixture of various gases, water vapour and dust par-
ticles.
The Oxygen layer in the atmosphere protects us from the harm-
ful ultra-violet rays of the Sun.
Air which surrounds the earth forms the atmosphere.
3.
4.
Moisture in the air regulates the temperature of earth by pro-
tecting it from the heat of the Sun during the day and prevents
it from freezing at night.
5.
Abiotic environment comprises of non-living factors such as
land or the lithosphere, water or the hydrosphere and the air
around us or the atmosphere.​

Answer 1

1. True
2. False
3. True
4. True

5.True

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