4 Written questions
3 Multiple choice questions
- is the process of passing water through a series or screens that allow the water through but not larger solid particles
- the addition of any substance that has a negitive effect on the water or any of the living things that depend on the water
- is a measurement of how acidic or basic it is on a scale of 0 - 14.
3 True/False questions
Water quality → is a measurement of the substances in water besides water molecules.
Sewage → during primary treatment deposits of fine solids settle out from the wastewater
point source → a widely spred source of pollution that tat cant be tied t a specific point