Q1 of 287 Page 344

Biosphere forms living mantle of Earth.

True

Biosphere contains all the planet’s living things. It includes all the microroagnisms, animals, and plants of Earth.


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2

Ozonosphere is located in troposphere of stmosphere.

 3

Clouds are formed in stratosphere of atmosphere.

 4

Soil is topmost layer of crust of Earth.

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