Some of the main sources of land pollution include:
a. chemical leaks
b. oil refineries
c. people
d. a and b
e. a, b and c

The answer is A,B,C!

Explanation:

All of these represent land pollutants.

People pollute by throwing trash on the side of the road and animals can eat the trash and in result die from it.

Chemical leaks are highly dangerous and they involve chemicals spreading into soil, air, and waters which can result in death for both people and animals.

Oil refineries are also dangerous but only to animals for example duck can die if they are covered in oil...

1 true

2 true

and 3 true im assuming these are true or false. hope this