Answer:
C. Protein
Explanation:
Proteins contain C, H, O, and N.
Most notably, they contain an R group (aka a side chain), which is different for each for amino acid. The R group is symbolized by the letter R in the image.
In my opinion mixed layers would be the best choice
Answer:
It can clog water intakes, use up dissolved oxygen as they decompose, and block light to deeper waters.
Explanation:
This causes overstimulation in growth of aquatic plants and algae.
That is false. Non-renewable energy sources are the major sources of energy production.
