Question

WORKSHEET 20
Sound and Noise
A. Fill in the blanks with help of words given in the box.
larynx sun unpleasant black force
1. Aeroplanes and fire crackers create
is a natural source of light.
3. A shadow is always
produces sound in humans.
can change the direction of an object.
2.
noise.
4. The
5.​

Answer 1

Answer:

there is no blanks plese type the above question correctly

Answer 2

1. noise

2. sun

3.

4. vibration in vocal cord