When an object is stationary while making a sound, the pitch of the sound is perceived to be .

A) lower

B) unchanged

C) fluctuating

D) higher

1 a

2 b

3 b

4 d

5 d

6 d

explanation:

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

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