Which pandemic are you talking about
Answer:
OB Rough sketches of each object need to be added to their notes.
True. The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave. ... Such sound waves form the basis of intervals in music.
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none of them are a right angle since there isn't an angle on any of those measurements that are 90 degrees.