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Question

Why do we need extra energy in the mountains?

A
During mountaineering we have to go up. Thus we spend energy faster.
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B
Due to less air we breathe faster and so need extra energy.
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C
The climate of mountains is generally cold. Our body needs extra energy to keep itself warm.
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D
Food is digested faster in mountains. So we need extra energy.
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Solution

The correct option is C The climate of mountains is generally cold. Our body needs extra energy to keep itself warm.

When we come down a hill, very little energy is required because the body is carried down the slope due to earth’s gravitational pull.
Our muscles do less work as a result and we do not feel tired while descending. Also, the climate of the mountains is generally cold. Our body needs extra energy to keep itself warm.


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