Essential nutrients include all of the following except
a. vitamins.
b. minerals.
c. enzymes.
d. proteins.

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Those with high self-esteem generally live a more fulfilling life and have better relationships. select the best answer from the choices provided. t f

What is not a proof of identity when applying for a driver's license? a) birth certificate with no seal b) certificate of us citizenship c) valid us passport d) us military photo id card