Groundwater/Use
Miscellaneous Also
Water Pollution
Where water?
Miscellaneous

100

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

100

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

100

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

100

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

100

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

200

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

200

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

200

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

200

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

200

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

300

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

300

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

300

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

300

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

300

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

400

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

400

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

400

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

400

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

400

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

500

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

500

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

500

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

500

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

500

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