Answer:
a
Explanation:
Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. You need protein in your diet to help your body repair cells and make new ones. Protein is also important for growth and development in children, teens, and pregnant women.
Hair, eyes, skin, and vision
A polarizing camera has a great affect on photo quality. When using a polarizing camera, skies are often darkened, reflections are controlled, and glares are often brought down or suppressed. Hope this helped :)