Answer:
pollution is the introduction of harmfull material in the invironment called pollution
Answer:
D
Explanation:
Using the eliminating method, all the others are true of surface runoff, so they are not correct answers. So, that means D must be correct.
Answer:
1. B
2. B
3. A
4. B
Explanation:
1. Species is smaller than kingdom, and domain isn't a group
2. Its kinda obvious
3. Not too sure on this one, but i think a is right
4. Pro means 'before nucleus', therefore it has no nucleus