Multiple Choice
Which accurately describes black smokers?
A) rare organisms existing on the mouth of active volcanoes
B) an entire ecosystem that obtains energy from the Earth's internal heat rather than the Sun
C) giant tube worms growing along the mid Atlantic Ocean ridges
D) water samples that have different physical and chemical properties
E) volcanic islands that may have one time been an Atlantic Ring of Fire
Correct Answer:

Verified
Correct Answer:
Verified
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