Question

A mercury barometer is set up in a plane what happens to the mercury level if the plane gains altitude?
a) It stays the same.
b) It rises higher.
c) It falls.
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Answer 1

Explanation:

Option B It rises higher is the correct answer

Answer 2

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A mercury barometer is set up in a plane what happens to the mercury level if the plane gains altitude?

a) It stays the same.

b) It rises higher. ♪

c) It falls.