It took millions of years for coal to form. The process began when giant plants died. What happened to the plants RIGHT AFTER this? A) They turned into sedimentary rock. B) They sank to the bottom of swamps.

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asked Jun 7, 2021 65.7k views

2 votes

It took millions of years for coal to form. The process began when giant plants died. What happened to the plants RIGHT AFTER this?

A) They turned into sedimentary rock.
B) They sank to the bottom of swamps.
C) They hardened because they lost oxygen.
D) They changed because of pressure and heat.