4 Written Questions

1. during primary treatment deposits of fine solids settle out from the wastewater
2. is the process of passing water through a series or screens that allow the water through but not larger solid particles
3. the aera around the septic tank that the water filters through
4. a widely spred source of pollution that tat cant be tied t a specific point

3 Multiple Choice Questions

1. an underground tank containing bacteria that treat wastewater as it passes through
   1. Sludge
   2. Sewage
   3. Septic tank
   4. Filtration
2. is a measurement of the substances in water besides water molecules.
   1. Water quality
   2. Sewage
   3. Filtration
   4. Water pollution
3. the addition of any substance that has a negitive effect on the water or any of the living things that depend on the water
   1. Septic tank
   2. Filtration
   3. Water quality
   4. Water pollution

3 True/False Questions

1. Sewage → that wastewater and the different kinds of wastes in it

   True        False

2. pH → that wastewater and the different kinds of wastes in it

   True        False

3. point source → a widely spred source of pollution that tat cant be tied t a specific point

   True        False