This membrane allows blank to pass through, but not soluble particles it molecules

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt