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4 February, 22:48

Coal sample analysis has shown the presence of pollen grains. Justify

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  1. 4 February, 23:48
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    If in the analysis a coal sample has been found pollen grains, it is because the coal originates from organic matter, such as vegetal matter.

    Explanation:

    Coal is the product of the accumulation of plant matter that has been deposited in lagoons, shallow lakes or swamps, which by bacterial action is slowly degraded. In the course of time, the content of elemental carbon increases, originating the mineral carbon that remains deposited in the soil.

    Since coal is formed by plant matter, it is possible to find in its composition preserved plant remains, such as pollen grains. Palaeoethnobotanists have found fossils of pollen grains both in the soil and in the deposits of some minerals, like coal.
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