What two things does the hydrologic cycle do?
A. Distributes and warms water
B. Distributes and increases the salinity of water
C. Distributes and purifies water
D. Distributes and contaminates water
Answer: C
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Technology is a tool that can
A. lead to a better world. B. be socially beneficial. C. be socially harmful when abused. D. all of the above
Matching
1. On the dilution and decay of degradable wastes figure, choose the zone in which populations of organisms with high oxygen requirements will most likely be eliminated. 2. On the dilution and decay of degradable wastes figure, choose the zone in which the breakdown of degradable wastes by bacteria starts to deplete the dissolved oxygen. 3. On the dilution and decay of degradable wastes figure, choose the zone in which the water has recovered from oxygen-demanding wastes and heat. 4. On the dilution and decay of degradable wastes figure, choose the zone in which the water needs time and must have an adequate flow rate. 5. On the dilution and decay of degradable wastes figure, choose the zone in which the bacteria have not started the decay of degradable, oxygen-demanding wastes.
A group of people who occupy a particular area and want to have their own government is a
A) centripetal force. B) nation. C) self-determination. D) unitary state.
These instruments measure deformation along a fault.
A. strainmeters and creepmeters B. creepmeters and seismometers C. seismometers and strain meters