Explain how hard parts of animals are preserved and become fossilized rock

PLEASEE HURRY IM BEING TIMED ILL GIVE YOU A BRAINLIEST AND 50 POINTS

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Answer:

Explanation:

so as you know there are remains known as fossils and they form by something unaliving and sinking to the bottom of the oceanthen sediment covers that corpse then what is soft like cartiledge and organs are broken down then sediment becomes rock then the bone will ether make a cast and show what the bones looked like with hardened rock or they make a mold and they leave behind an empty space that looks like the bone/shell