In which environment would the shell of an organism most likely be preserved as a fossil?

D. at the bottom of the lake buried by a landslide.

Explanation:

Hello,

Fossils are known as the ancient remains of the animals or plants that lived on earth so long ago. They are produced when different tissues of plants and animals parts are decomposed by microorganisms present in the soil, in addition to hard remains of bones, wood, shells and exoskeletons that are still accumulated. Such remains are usually buried under several layers of soil and debris, thus, they get compacted and consequently transformed into rocks.

Now, the most suitable environment for the preservation of fossil remains is at the bottom of a lake buried by a landslide, since the several layers get deposited over the fossil remains, taking care of them and subsequently promoting fossil preservation.

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