Name two ways in which calcium is similar to vitamin a and two ways it is different

Assume you were going to teach this information to a group of seventh graders. pick a title for your presentation that would make the seventh graders want to listen to you.

What would you call 2-1-1 for? a. product safety info b. after a car crash c. referral to suicide counseling d. after a home break in

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.