4 Written questions
3 Multiple choice questions
- a widely spred source of pollution that tat cant be tied t a specific point
- 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 the substances in water besides water molecules.
3 True/False questions
Leach Feild → the aera around the septic tank that the water filters through
pH → is a measurement of how acidic or basic it is on a scale of 0 - 14.
Sewage → that wastewater and the different kinds of wastes in it