What occurs during a decomposition reaction?

new compounds are formed by chemical bonding
the components of several molecules recombine to form new molecules.
a compound partitions into its components.

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