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| Q. |
Which of the following is primarily composed of calcium carbonate? |
| A. | Fish scales |
| B. | Shark teeth |
| C. | Oyster Shes |
| D. | Whale bones |
| Answer» C. Oyster Shes | |
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Explanation: There is a high content of calcium carbonate in mussel andoyster shells, which can be used in the formulation of medicine, in construction or as filler in polymer materials. |
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