Well, when a plant or animal dies in a damp environment it will most likely get buried in mud or silt. The tissues over time will decompose and leave bones or shells behind ( depending on what was there originally it can vary) Eventually over time sediment builds up and hardens into rock.
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Answer:
: a compound (such as guanosine or adenosine) that consists of a purine or pyrimidine base combined with deoxyribose or ribose and is found especially in DNA or RNA
Muscle contraction happens only when the energy molecule called adenosine triphosphate (ATP) is present
Micro molecules all contain oxygen and hydrogen Cho Cho Chon c-carbon h-hydrogen o-oxygen cho cho chon is carbs fats proteins