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olasank [31]
4 years ago
14

Why does it become difficult to breathe at higher altitudes

Biology
1 answer:
g100num [7]4 years ago
7 0

Answer:

The air is thinner higher in the atmosphere. making it hard to breath and not having enough air.

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Explanation:

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4 0
4 years ago
The _____ zone is where light can penetrate
nikdorinn [45]

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it is called the euphotic or sunlight but either one of them answer are showing so I'm thinking (NONE OF THE ABOVE )

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