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Diatoms Are Characterized by ____ and Are the Source of Economically

Question 35

Multiple Choice

Diatoms are characterized by ____ and are the source of economically useful_____.


A) calcium carbonate shells; ozone
B) calcium carbonate sheaths; petroleum
C) silica shells; diatomaceous Earth
D) silica sheaths; limestone
E) silica carbonate shells; diatomaceous Earth

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