Which of the following do cells obtain from nutrients in food? A. lithium
B. helium
C. energy
D. oxygen

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.