Question

25. The term "air pollution" can be
defined in several ways. Which of the
following statements does give the
correct definition? *
O
The addition of undesirable
substances to air.
O
The addition of desirable
substances to air.
O
The removal of undesirable
substances from air.​

Answer 1

Answer:

c is correct

Explanation:

I think so if its wrong so sorry for that