Compared with the walls of arteries, the walls of capillaries.
a. are thicker
b. are thinner
c. lack valves
d. have more resistance

Which element provides strength to the exoskeleton of clams and oysters

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what