How do oceanic upwellings promote the growth of microscopic plankton?

Which type of neuroglia is found outside of the brain?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

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.