Groundwater/Use Miscellaneous Also Water Pollution Where water? Miscellaneous

100

What is salt water intrusion?
An aquifer is overdrawn in coastal areas. This event may occur..

100

What is activated sludge?
When microorganisms are aerated in the wastewater treatment process, they are called this:

100

What is oxygen depletion rate by microorganisms?
The BOD test is designed to directly measure:

100

What is groundwater?
The largest storage reservoir of the world's freshwater

100

What is bicarbonate ions?
In sea water, carbon is mostly found in the form of:

200

What are tailings?
After ore is mined, the unusuable part that remains is placed in piles called:

200

What is evaporation?
This phase of the hydrologic cycle requires an input of energy from the sun

200

What is secondary (biological)?
In wastewater treatment, this phase is where organic matter is eaten by microorganisms

200

What is infiltration?
Term for when rainwater is able to soak into the ground

200

What is trawling?
The term for the fishing technique that is most damaging to the ocean bottom ecosystem

300

What is nonrenewable?
Resources such as groundwater that are being consumed faster that they can be resupplied are said to be:

300

What is the bathroom sink/shower and laundry?
What gray water consists of

300

What is chlorine, ozone, UV light, Hydrogen Peroxide?
In the disinfectant stage of wastewater treatment, what is one thing that is used to treat the water?

300

What is the atmosphere?
Which of the following is the smallest reservoir of the global hydrologic cycle?

300

What is pH?
This test determines the concentration of hydrogen ions in an aquatic system

400

What is water diversion for agriculture?
The shrinking of the Aral Sea and ecological disaster that followed was mainly caused by:

400

What is the carrying capacity?
The maximum number of a species that can be sustained in an ecosystem

400

What is sediment?
The greatest volume of pollutant in surface water systems is usually this.

400

What is watershed?
All the land from which water drains to a common lake or river is considered to be a part of the same:

400

What is bioremediation?
The use of bacteria to clean up a pollutant such as gasoline is known as:

500

What is subsidence?
When groundwater is removed, the soil sinks in a process knowns as:

500

What is reverse osmosis?
A process that uses high pressure to force saltwater through a membrane filter with pores small enough to remove the salt.

500

What is turbidity?
This measurement increases with the presence of sediment pollution

500

What is the Colorado River?
The Hoover Dam and The Glen Canyon Dam manage which river?

500

What is eutrophication?
Dead zones around the world are a consequence of what issue?

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