Question

the mysterious origins of life on earth - luk...
ted - ed
multiple - choice question
what forms hydrothermal vents?
magma chambers below the surface
that water seeps into.
hydrogen in the sea floor.
caves formed by other animals.

Explanation:

Hydrothermal vents are formed when seawater seeps into magma chambers below the ocean floor. The water is heated by the magma and then expelled back into the ocean, creating the vents. Hydrogen in the sea floor and caves formed by animals do not play a role in the formation of hydrothermal vents.

Answer:

Magma chambers below the surface that water seeps into.