Answer:
I think it's A.
Explanation:
It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.
Answer:
The second
Explanation:
its the only one that makes since
Look at the way that they act. If they are into doing rebellious things, that could be bad. If they hang out with kids that you know aren't good kids, that could also be bad. If they ask you if you want some drugs or alcohol, that is DEFINITELY bad.
