Question

A. Choose the most appropriate answer:
1. A mosquito produces sound by vibrating its
(a) wing
(b) vocal cords
(d) body
2.Violin is a musical instrument with
(a) stretched bow
(b) stretched strings
(c) stretched membrane
(d) none of the above
3. Loudness is the measure of
of a sound
(a) shrillness
(b) heaviness
(c) length
(d) pitch
4. The level of normal conversation is about
dB.
(a) 50-60
(b) 100-200
(c) below 60
(d) 60-100​

Answer 1

Answer:

1 wing

2 stretched strings

3 heaviness

4100-200