Homework #2

A.8 # 1 - 4

1. Three water uses I could live without are washing cars, floors, windows, and pets.

2. One task I could not live without is wash clothes and dishes.

3. You could reduce water use on bathing, showering, washing hair, and washing hands simply by reducing the amount of time you do each one.

4.
  a. Flushing toilets
 
  b. It can be taken from bathing, showering, washing hair and hands


p. 23 # 3 - 7

3.
      a. Indirect use
      b. Direct use
      c. Indirect use

4. To " purify " is to clean and filter water to the best of your ability before distillation.

5. Three techniques to purify water are oil - water separation, sand filtration, and charcoal adsorption and filtration.

6. The visible pollutants were removed in every step of the investigation.

7.
  a. The foul water lab could not produce suitable drinking water because there are harmful particles unseen to the human eye.
  b. The water would need to be distilled for it to be suitable for drinking.