Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
Explanation:
Organic polymers are macromolecules composed of many repeating monomer units. Both synthetic and natural polymers play a crucial role in everyday life. Polysaccharides, polypeptides, and polynucleotides are the main types of biopolymers in living cells.
If you are talking about a chemical solution..Yes!
There are many colors a solution can end up being.
Answer:
Deep Ocean.
Explanation:
This area recives no sunlight at all