Unit Test — Unit test Answers

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23

Which of the following most significantly determines a community's access to potable water?

A
access to clean raw water sources
B
the availability of money
C
local drought conditions
D
the level of industrial development
24

What is a key difference between greywater use and water reclamation?

A
If collected separately, greywater can be used for certain applications without treatment.
B
Greywater use is more costly than water reclamation.
C
Water from reclamation is always safe for drinking, while greywater is not.
D
Greywater has been mixed with sewage, while reclaimed water is derived from clean water.
25

Introduced sewage in water systems _______.

A
decreases levels of phosphorus and nitrogen
B
increases oxygen levels
C
increases concentrations of solids
D
leads to decreases in the temperature

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Unit Test — Unit test Answers — OH-Environmental…