Which of the Following Is True of Dolomite, Calcite and Silica

question 45

Multiple Choice

Which of the following is true of dolomite, calcite and silica?

• A) Dolomite is not secreted by invertebrate animals for shells.
• B) It is not different in any way from calcite, but its molecules are arranged more tightly than silica's.
• C) It is not different in any way from silica, but its molecules are arranged more tightly than calcite's.
• D) They are all the same.

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