Answers

  • Brainly User
2016-03-06T18:14:06+05:30
Because as we go high up the mountain there will be less oxygen in air so we need more energy
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2016-03-06T18:19:21+05:30
We need extra energy to climb mountain because the air pressure is less on the mountain
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pls mark this answer brainliest if you find this correct.