Is sound produced by solid matter and liquid matter?

By: Guest
Date: 0000-00-00-00:00:00-
Response
4

[d] By: Guest
Date: 0000-00-00-00:00:00--
Response
3

[d] By: Guest
Date: 0000-00-00-00:00:00--
Response
What is 1 + 100

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