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Mentions of Nickel

ACTSCI-SGTHIY

Which of the following best explains why Scientist 2 mentions nickel?

A

Nickel is a key component in the enzyme that allows the bacteria to make methane.

B

Nickel indicates that there was lots of volcanic activity.

C

Nickel is released when the ocean's temperature rises.

D

The burning of coal can release significant amounts of nickel, which can change the chemistry of the ocean.