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Question

Biosphere means _________.
human beings
animals
plants
all living things

A

all living things

B

plants

C

human beings

D

animals

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Solution

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The biosphere is the thin layer comprising all the other three layers of atmosphere, hydrosphere and lithosphere. this thin layer is the biosphere in which all life forms exist. It comprises of human beings, animals, plants and all other living organisms and also physical components required for living forms to survive
The correct answer is D .

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