Water Use and Management

Often water must be treated to become _______, safe to drink

• pathogen

• potable

• clarified

• bonifide

Which of the following is NOT a residential use of water>

• cooking and drinking

• washing dishes and clothes

• washing cars and watering the lawn

• watering the crops

• showers and toilets

What is the best way to CONSERVE water use in an agricultural setting...

• low flow toilets

• reuse cooling water

• drip irrigation

• high power overhead irrigation

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The image here is how humans control rivers for the last few hundred years. This is

• diverting water thru canels

• create an aquaduct

• damming a river

• desalination plant

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Fluoride may be added in...

• coagulation.

• additional treatment.

• second filtration.

• aeration.

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Which of the following is a disadvantage of dams and reservoirs?

• man made lakes used for drinking water, recreation and industry

• hydroelectric power

• existing ecosystems changed, displacing species and humans

• flood control

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While expensive and inefficient now, the removal of salt from ocean water may help create more potable water in the future

• water transport

• towing icebergs

• desalination plants

• xeriscaping

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Many areas of the world without adequate fresh water have become habitable because:

• water conservation has been implemented.

• icebergs have been towed in to provide fresh water.

• water management projects have diverted water to the area.

• rainfall patterns have changed.

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NGSS.MS-ESS3-4

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Layers of sand, gravel, and hard coal remove impurities in...

• coagulation.

• first filtration.

• second filtration.

• chlorination.

The largest single use of water for industrial purposes is for

• canning and food processing.

• cooling.

• power production.

• washing produce in food processing industries.