Question

Which are reasons why so many people live on the ring of fire?

(check all that apply)

A. The continent's edges are good locations for seaports.

B. The Pacific Ocean is an important zone of world trade.

C. Scientists move there to study earthquakes.

D. There has been considerable development of the earthquake and volcano prediction industry.

Answer 1

In my humble opinion, 'A' and 'B' are good reasons,
whereas 'C' and 'D' are nonsense.