Water enters the soil in a process called infiltration, and then moves downward through the soil in a process called percolation.
Answer:
1.) A factory produces chemical waste and releases it into a water system
2.) Water becomes polluted in nearby rivers and streams
3.) Aquatic plants stop thriving
4.) Small fish do not have adequate food
5. Larger fish have less prey to eat and their numbers decline
C.18
in middle school we are told the levels are 2,8,8 but once you reach high school, you find out the third level actaully can hokd up to 18.
