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3 votes
Which of the following was once a volcano under water

A: seamount

B: ocean trench

C: cave

D: sea stack

User Squareborg
by
6.9k points

2 Answers

1 vote
B, ocean trenches are formed after a underwater volcano has erupted.
User Simon Ndunda
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7.1k points
4 votes
Seamount is the correct answer.
User Onots
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6.7k points