C. Wind turbines are more reliable then solar cells.
The answer is D) codes for a specific trait . Hopefully its right.
Answer: Option A) Amino acids
Explanation:
The animal hair has rich deposits of keratin, a protein that helps the hair stand erect, tough and rigid in its shaft.
And since protein are macromolecules made up of several units of amino acids, we can safely say animal hair is made of amino acids
