The sun is 109 times the diameter of Earth, so it is a massive comparison to Earth.
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<em>air moves because of two reasons..
1 temperature difference
2 pressure difference
<u>1 temperature difference :
</u> when there is temperature difference in the atmosphere ,,hot air rises and cold air takes its place ... so movement of air occurs..
<u>2 pressure difference:
</u><u /> also when there is pressure difference in atmosphere ,, air moves away from the area where there is more pressure..
<u>if there is no temperature and pressure difference then air will not move...
</u>
</em>
Answer:
- don't echo sound and don't create a reverb
also, these walls are designed to maintain a uniform pitch and amplitude in every corner of room