Zinc oxide protect the lifeguards from damaging uv sunlight. how does this cream protect from the uv rays of the sun? a. the cream is opaque and allows the uv rays to pass through your skin safely. b. the cream is transparent and transmits the uv rays as they reach the skin's surface. c. the cream is opaque and reflects the uv rays before they reach the skin's surface. d. the cream is transparent and absorbs the uv rays after they reach the skin's surface.

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Astudent completed a lab report. which correctly describes the difference between the "question" and "hypothesis' sections of her report? "question states what she is asking, and "hypothesis" states the result of her experiment "question" states what she is asking, and "hypothesis" states what she thinks the answer to that question is in 'if. then because" format. "question" describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. "question" describes what she is trying to find out, and "hypothesis" states any additional information or prior knowledge about the question

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping