Question

Which variables make a volcano such as Popocatépetl more “dangerous” than others?

1. frequent eruptions
2. location on a plate boundary
3. location near human settlements
4. super hot magma reaching surface
(A) 1 and 2
(B) 1 and 3
(C) 2 and 4
(D) 3 and 4

Answer 1

Popocatepal is dangerous because it can kill or injure many civilians, and the lava is extremely hot. So the answer is D.

Answer 2

I think it's B not sure though check in Google or read the book