What role do plants play in an ecosystem? a. they convert sunlight into usable energy. b. they release oxygen that organisms use to breathe. c. they cause the high and low tides of the sea. d. they’re used in making synthetic cloth fibers.

Calvin is a 12-year-old boy. due to pressure from his friends, he has started consuming certain toxic materials that are addictive and harmful. calvin is a victim of what type of abuse? a. sexual b. substance c. physical d. emotional

List 5 complications and 3 patient teaching diabetes liver disease obesity osteoporosis thyroid disease

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.