Fine or small grain soils (as compared to large particle size soils)

a. retain more water, have a high porosity and low permeability.

b. retain less water, have a high porosity and high permeability.

c. retain more water, have a low porosity and low permeability.

d. retain less water, have a low porosity and high permeability.

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

What best explains the inability for life to exist in earth early atmosphere

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.