I think the EPA adminsters the act.....and one benefit is that harmful chemicals that are released into the air are monitored and only a certain amount is able to be released without the company being fined.
I think that it would be B.trade
I think the most populated place in Europe is Russia.
Answer: 8 Reasons Why Rome Fell
1. Invasions by Barbarian tribes.
2. Economic troubles and overreliance on slave labor.
3. The rise of the Eastern Empire.
4. Overexpansion and military overspending.
5. Government corruption and political instability.
6. The arrival of the Huns and the migration of the Barbarian tribes.
7. Christianity and the loss of traditional values.
Explanation: Hopefully this helps you with what ever you are doing. I am giving you 7 reasons instead of 3 reasons, so maybe your teacher might give you extra credit.