1.
Wood was used to make wheels in olden day.
2.
Hundreds of years ago, human used to travel on their foot.
3.
Cart was made of wood.
4.
Option B
5.
Option C
6.
Option A
7.
Option B
8.
Option D
9.
Early human beings saw round objects rolling down the hills easily that gave them the idea of a wheel.
10.
By putting the wheel under a cart, they made a wheel-cart.
11.
Option A
12.
Early human made pots from clay using wheel, hence called as potter wheel.
13.
The wheel was invented to reduce human work and efforts.
14.
Nowadays wheel is made from steel, iron and rubber.
15.
Option C
16.
Option B
17.
Rubber wheels are strong and last long.
18.
A wheel is a trunk invented by man which made the cart move freely.
19.
Option B
20.
Option A
