Question

Define man-made changes​

Answer 1

Answer:

Man - made changes are those changes which are created by humans and it does not occur naturally . For example : pollution of air is created by humans by burning fossil fuels and smoke coming out from vehilcles and factories.

I hope it will helps you

Answer 2

Answer:

changes man made are

Explanation:

buidings fans etc are man made this is bcoz this is made by man with the use of raw materials