Question

4. The earliest invention that made transport easier was the :
a. stem engine b. cars c. railway d. wheel please answer it don't ignore it​

Answer 1

wheel. . . . . . . . . . . . . . . . . . . .

First wheel then after engine bcz engine has also wheels.....

Answer 2

Answer:

D, wheel

Because the wheel is the basic tool of transportation. Hope this helps you!!