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Biology 13 Online
OpenStudy (helpblahblahblah):

Medal plz help! A cast fossil is formed when A. an imprint is left in mud. B. an organism is petrified. C. an organism is buried and part of the organic material is left behind. D. minerals fill in an impression left by an organism.

OpenStudy (abhisar):

A cast fossil is formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, which is in the general form of the original organism.

OpenStudy (abhisar):

So the correct option will be D

OpenStudy (helpblahblahblah):

thx!

OpenStudy (abhisar):

Anytime !

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