Vitamin a is a vitamin that a) affects the formation and maintenance of skin, mucous membranes, and bones b) plays a role in the formation of blood cells, muscle, and other tissue c) cells produce energy and is vital to bone growth and health d) assists in building and maintaining healthy bones and the nervous system

A) affects the formation and maintenance of skin, mucous membranes, and bones

Explanation:

    Vitamin A plays a very important role in vision, growth, development and maintenance of skin, immunity, and is necessary for cell renewal.

Where to Find It: Animal foods (liver, egg, milk, tuna, cheese), dark green leafy vegetables, yellow-orange and red fruits.

i think it's about 10 mins.

actually i think that's wrong, but i don't know how to delete this.

but who knows it might be right.