It is a blanket-like layer that surrounds the Earth. It contains a mixture of gases including oxygen which most organisms need to breathe. It protects us from the harmful radiations of the Sun. What is this layer called?
A
Hydrosphere
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B
Geosphere
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C
Atmosphere
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D
Lithosphere
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Solution
The correct option is C Atmosphere The atmosphere is the layers of gases that surrounds the earth. It is like a blanket layer, contains a mixture I gases including oxygen which most organism need to breathe. It is the atmosphere only that protect us from the harmful radiations of the sun. The current composition of the Earth's atmosphere is the product of billions of years of biochemical modification of the paleo atmosphere by living organism.