In many places, small hills rise above the ocean floor. these hills are undersea volcanoes, called what?

In many places, small hills rise above the ocean floor. these hills are undersea volcanoes, called what?

• Correct Answer: ridges
• reefs
• corals
• seamounts

Explanation: The ocean floor is not totally flat. In many places, small hills rise above the ocean floor. These hills are undersea volcanoes, called seamounts ( Figure above ). Some rise more than 1000 m above the seafloor.

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