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Marianna [84]
3 years ago
12

Why do mountaineers become breathless as they reach high altitudes?

Biology
1 answer:
garik1379 [7]3 years ago
3 0

Answer:

C.  Oxygen concentration decreases as altitude increases

Explanation:

Higher altitudes have lower levels of oxygen and decreased air pressure.

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Which of the following is an example of a concave structure
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Which of the following would most likely cause
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Answer: Option B) . a decrease in the amount of oxygen dissolved in

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4 years ago
How is Euglena a heterotroph and a autotroph?
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7 0
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A geologist out in the field comes across the landform pictured here. She identifies it as having steep slopes, which give it a
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7 0
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