An extinct volcano is one that ____.

Question

Quizplus · Accepted Answer

An extinct volcano is one that has not erupted during recorded history and has shown no evidence of activity over recorded history. Choice A only implies that it existed in the past, but does not necessarily mean it is extinct. Choice B only refers to recorded history, but evidence of activity could exist in the geological record. Choice C is similar to B, but the use of "shown no evidence" is ambiguous. Therefore, D is the best choice as it combines both the lack of recent eruptions and lack of evidence of past activity.

An Extinct Volcano Is One That ____