What is the facilitated diffusion of water through a selectively
permeable membrane?

How does friction with the atmosphere affect the speed of an artificial satellite

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?