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- 1. Multiple Choice
A measure of warm or cold a body of water is. Cool water is better for organisms.
temperature
dissolved oxygen
turbidity
nitrates & phosphates
bioindicators
- 2. Multiple Choice
A measure of how cloudy the water is. Water that is healthy for organisms is generally clear.
pH
dissolved oxygen
turbidity
nitrates & phosphates
bioindicators
- 3. Multiple Choice
A measure of the amount of oxygen in the water that is available for organisms to use. Healthy water has a lot of this!
pH
dissolved oxygen
turbidity
nitrates & phosphates
bioindicators
- 4. Multiple Choice
A measure of how acidic or basic the water is. Healthy water has a range between 6.5 and 8.5.
pH
salinity
turbidity
nitrates & phosphates
bioindicators
- 5. Multiple Choice
An overload of nutrients can cause overgrowth of algae and other problems in a lake or pond.
pH
salinity
turbidity
nitrates & phosphates
bioindicators
- 6. Multiple Choice
A measure of the amount of salt dissolved in a body of water.
pH
salinity
turbidity
nitrates & phosphates
bioindicators
- 7. Multiple Choice
The presence or absence of certain macroinvertebrates can give you an idea of the health of a water system.
pH
salinity
turbidity
nitrates & phosphates
bioindicators
- 8. Multiple Choice
What is an example of point source pollution?
Chemical runoff from roads
Beach trash that gets into the water
Sewage pipes draining into bodies of water
Fertilizer from lawns seeping into groundwater
- 9. Multiple Choice
Which is an example of nonpoint source pollution?
Oily runoff from from several nearby towns into a lake
Polluted drainage water from a factory
Oil that spills from a tanker
Gasoline dumped from a boat
- 10. Multiple Choice
The _________ monitors the water supply in the United States.
Pollution Prevention Agency
Environmental Pollution Agency
Environmental Protection Agency
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