Question

Which statement about dormant volcanoes must be true?

AThey can never erupt again. incorrect answer
BThey have not erupted for a very long time. incorrect answer
CThey will erupt within the next 12 months. incorrect answer
DThey were formerly stratovolcanoes.

Answer 1

They have not erupted for a long time

Step-by-step explanation:

They have not erupted for a long time is correct because dormant volcanoes are volcanoes that are active and have erupted once in the last 10,000 years. Because they are active, they will erupt again in the future.