Question

Which of the following is primarily composed of calcium carbonate?
A. Fish scales

B. Shark teeth

C. Oyster Shells

D. Whale bones

Answer 1

Hey Friend !

Oyster Shells
---------------------------------------------
Oyster Shells are composed of calcium carbonate.
Chemical formula of calcium carbonate is CaCO₃
CaCO₃ is found in rocks as minerals [ calcite and aragonite ]

Answer 2

The correct option is C. Oyster Shells.

Oyster Shells is primarily composed of calcium carbonate.

---------------------------------------------
---------------------------------------------
BEST OF LUCK ;)

#akashmandal.