Which statement is TRUE about the fluid from the hydrothermal vents?
A) The fluid contains large amounts of oxidized inorganic materials.
B) The fluid contains large amounts of reduced inorganic materials.
C) The fluid contains large amounts of organic material.
D) The fluid usually contains about equal amounts of organic and inorganic material.

Question

Quizplus · Accepted Answer

The fluid from the hydrothermal vents comes from deep within the Earth's crust and is rich in reduced inorganic materials such as hydrogen sulfide, methane, and ammonia. These materials provide the energy source for the chemoautotrophic bacteria that live in the vents. The fluid does contain some organic material, but it is not as abundant as the inorganic materials. Therefore, option B is the correct choice.

Which Statement Is TRUE About the Fluid from the Hydrothermal