The mercury in fish is normally in the form of elemental mercury (Hg0). (True or false?)

The mercury in fish is normally in the form of elemental mercury (Hg0).
 
  Indicate whether the statement is true or false.

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Ocean acidification decreases the precipitation of calcium carbonate and thus will probably affect the cycling of Ca and other nutrients in the ocean.
 
  Indicate whether the statement is true or false.

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Mercury has both organic and inorganic forms that are neurotoxic.
 
  Indicate whether the statement is true or false.

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Some bacteria have genes that confer resistance to mercury.
 
  Indicate whether the statement is true or false.

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Silicoflagellates use silicon compounds in substrate-level phosphorylation.
 
  Indicate whether the statement is true or false.