Why Are So Few Volcanoes Mapped in the Middle of the Oceans

question 46

Multiple Choice

Why are so few volcanoes mapped in the middle of the oceans?

• A) The middle of the oceans corresponds with the middle of tectonic plates, so there are only hot-spot volcanoes there.
• B) Geologists cannot pinpoint the locations of many recently active seafloor volcanoes.
• C) There are only convergent plate boundaries under the ocean, which are less likely to have volcanoes than transform or divergent boundaries.
• D) There are only divergent plate boundaries under the ocean, which are less likely to have volcanoes than transform or convergent boundaries.

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