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solniwko [45]
2 years ago
15

Help asap only 1 and 3

Biology
1 answer:
allsm [11]2 years ago
6 0

Answer:

1. Differences in air <u>pressure</u> cause movement in the air, which creates <u>wind</u>

3. As the air <u>cools</u> it becomes more dense and <u>falls</u> to the earth's surface

Explanation:

hope this helps :)

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charle [14.2K]

The correct answer is frequency.

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It is directly related to the the frequency of the sound wave. If the frequency is increased then its pitch will also increase and vice versa.

As for normal people it is a bit difficult to differentiate between the two but the musician are trained so they can differentiate the difference between the two even if the difference is 2 Hz




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3 years ago
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Marysya12 [62]
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hram777 [196]

Answer:

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