It is A: a chemical reaction, due to the acid activity (acetic acid)
The first mutation is substitution and the second is deletion
A cell membrane is compared to a window screen because of its translucent properties. Like it allows oxygen to come through or it resists invader who tries to come into the cell.
Your answer is Cell membrane.
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↪ I think its from 6%-10% of living organisms today that will become fossils
↪ Animals have a less likely chance since they have parts that are difficult to become fossils (like teeth, bones)
↪ Plants may decompose and go underwater to be used as Crude Oil
↪ Most of the population are humans, which will be extremely hard to fossilise
HOPE THIS HELPS
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