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BESC 320 Mid-Term Exam Questions and Answers
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BESC 320 Mid-Term Exam Questions and Answers
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BESC 320 Mid-Term Exam Questionsand Answers
Which classification of water requires the highest water quality?
Drinking water
What is the reason for acid rain?
Chemical reactions such that NO and SO2 reacts with H2O
What are the major constituents of nutrients in natural water?
Nitrogen and Phosphorus
What is the normal pH of un-polluted rainwater?
5-6
Is chelation a wastewater problem for water treatment or not?
Yes
What is the effect of decreasing pH for aquatic life?
it is bad for aquatic life
The stream runs into a "fish kill" when the concentration of dissolved oxygen is what?
1-2 mg/L
Which lake has higher value of electrical conductivity? Great Salt Lake or Lake Superior
Great Salt Lake
Which ecosystem do rivers and streams belong to?
Lotic
A private well is typically pulling water from:
, Ground Water
What are the five processes that make up the hydrologic cycle?
1. Evaporation
2. Transpiration
3. Condensation
4. Precipitation
5. Infiltration
What are the usages of water resources?
Industry, Agriculture, Domestic, Energy, & Recreational
Which of the below uses the biggest percentage of accessible water?
Irrigation
3 multiple choice options
What is an example of Domestic water usage?
Drinking, lawn maintenance, laundry
Hydropower is the only process that uses water in the energy section.
False
Wastewater from industrial operations is always treated properly.
False
What are some of the disadvantages of groundwater withdrawals?
1. Depletion of aquifers
2. Land sinking
3. Hard to treat contamination
In order to feed the increasing population, we could
1. Increase crop intensity
2. Expand crop production land
3. Increase crop yield
What are the parameters that are commonly used for natural water monitoring?
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