The best types of fossils are obtained in the | vedclass

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(A) The best types of fossils are obtained in the form of $Compressions$. $Compressions$ are formed when plant parts are flattened by the weight of ov

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Compressions

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(A) The best types of fossils are obtained in the form of $Compressions$. $Compressions$ are formed when plant parts are flattened by the weight of overlying sediments,preserving the external features and sometimes even the cellular details of the organism in great detail. $Casts$ and $Molds$ provide the shape but often lack internal details. $Coal$ $balls$ are petrified plant remains found in coal seams,which are useful but $Compressions$ are generally considered superior for studying morphological features.

The best types of fossils are obtained in the form of:

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