Correct Answer: C
Explanation:
The Correct Answer is C.To ossify is to cause a substance to harden into bone. Similarly, to fossilize is to cause a substance to harden into stone.
| Ossify: | to change or develop into bone |
| Cud: | a mouthful of previously swallowed food regurgitated from the first two chambers of the stomach of cattle and other ruminants back to the mouth, where it is chewed slowly a second time
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