1.
Plants make their own food using sunlight.
2.
Option A
3.
Option A
4.
Option A
5.
Wind energy is used to work pumps in agricultural field.
6.
Sewing machine, bicycle, etc.
7.
Energy is used to apply force.
8.
Option D
9.
Option B
10.
Option B
11.
Option B
12.
Option A
13.
Option A
14.
It is used in computers, refrigerators, fans heaters, etc.
15.
Option B
16.
Option A
17.
Solar energy, wind energy, electrical energy, etc.
18.
Table, fan, chair etc.
19.
Option B
20.
Option A