Diffusion occurs in gasses, liquids, and solids.
True
False

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england

Why do mountaineers become breathless as they reach high altitudes