2 Answers

Dwaynemac · Answer 1 · 2017-01-28T10:11:32+0000

Sound waves DO travel through air in a pattern of squeezing in and spreading out. This is the case for all waves - they all oscillate.

Tytyryty · Answer 2 · 2017-01-30T10:13:38+0000

I think that statement is True
Sound waves are always longitudinal waves in a gas, and are always alternating pressure in air

hope this helps

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