A scientist is conducting an experiment looking at which disinfectant is most effective at killing e. Coli bacteria on a kitchen counter. What would be considered a constant in this experiment?

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

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

The fluid mosaic model of the membrane proposed that membranes