sarah26138
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How are casts formed by decaying organisms?

Organisms turn into rock over time.
Organisms leave carbon residue on a rock.
Organisms leave impressions in sediment that hardens into rock.
Impressions left by organisms are filled in with sediment that hardens into rock.
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THIS IS AN ANSWER How are casts formed by decaying organisms Organisms turn into rock over time Organisms leave carbon residue on a rock Organisms leave impress class=

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janessar2006

Answer:

Why???????

Explanation:

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Herocaster

Answer:

D.) Impressions left by organisms are filled in with sediment that hardens into rock.




Cast fossils are formed when an organism dies and is buried between layers of mud and silt. The mud and silt form around what is left of the organism and slowly harden and become sedimentary rock. The buried organism decays and the hardened rock leaves an impression of where the organism once was.












Explanation:

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