Q.1 Write notes -
(b)
Discovery and uses of wheel.​

Wheels first appeared in ancient Mesopotamia, modern-day Iraq, more than 5,000 years ago. They were originally used by potters to help shape clay. Later, wheels were fitted to carts, which made moving objects around much easier. Some early wheels were solid disks of wood cut from tree trunks.

Explanation:

The wheel first appeared during 3500 B.C in Mesopotamia.

Wheels are mostly used for transport, the development of technology in general, important applications including the water wheel used in a watermill, the gear, and the spinning wheel.

Explanation:

answer; i believe that the correct answer is (scientific approach)