Which of the following is the best definition of hydrothermal vent? a) a hot spot on those an floor b) a place on the ocean floor where a volcano is gradually forming c) a place where water heated by magma rises from the ocean floor d) a crack through which magma reaches the ocean floor creating new crust
Geography · High School · Tue Nov 03 2020
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c) a place where water heated by magma rises from the ocean floor.
Hydrothermal vents are locations at the bottom of oceans where water that has been heated by underlying magma is expelled into the ocean. These vents typically occur along mid-ocean ridges where tectonic plates are diverging or spreading apart. The water from the vents is rich in minerals and supports unique ecosystems that can thrive in the absence of sunlight.