Question

An irregular, irritating sound is referred to as a
B. State True or False for the following statements.
1.
Human beings, as well as all animals, have a voice
box for producing their characteristic sounds
2.
of the three mediums, solids, liquids and gases,
sound propagates fastest in liquids.
F
3.
Sound cannot propagate through vacuum.
Light propagates, through vacuum, with a speed that
is nearly a million times more than the speed of
sound in air
5.
The frequency of a given sound determines its
shrillness' or 'flatness'.
6
Irregular non-periodic vibrations generally produce
musical sounds

plz help me ​

Answer 1

1 true

2 False

3 true

5 shrilness

6 true

hope it helps