Catastrophic events on Earth have both negative and positive effects. One positive effect is the formation of new land features. The Hawaiian Islands were formed from a catastrophic event, occurring many times. Each island in the chain is composed of at least one major

Responses
A rift.rift.
B volcano.volcano.
C subduction zone.subduction zone.
D mountain range.

B. volcano. The Hawaiian Islands were formed from volcanic activity, with each island being essentially a giant volcano.