What happen at the synapse between two neurons?

Building glycogen from glucose molecules is an example of what

Bio molecules are essential to all living things. which biomolecule is “d” from the table

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water