Milestones and Turning Points — Unit test Answers

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How can failing to conserve water contribute to greater water contamination?

Overirrigating fields causes an increase in pollution that results from runoff.

Natural water filters are depleted by the overuse of water.

Sewage systems are more likely to fail due to greater demand, causing higher chances of water contamination.

All of the above

How is desalination different from water reclamation?

Desalination is less expensive than water reclamation.

Desalination recharges aquifers.

Desalination provides water suitable for drinking.

None of the above

Blackwater is cheaper and easier to process than greywater.

How does the use of hydroelectric energy compare to the use of coal?

Hydroelectric energy is more commonly used than coal.

Hydroelectric energy is associated with less waste production than coal.

Hydroelectric energy has a larger environmental impact than coal use.

Hydroelectric energy requires more land space than coal use.

The Kyoto protocol works by _______.

mandatory involvement

voluntary involvement

imposing trade restrictions on nonparticipating countries

offering monetary rewards to participating countries

Government sanctioned activities to improve ecosystems have had little effect.

The United Nations Environment Program regulates the environmental policy for all countries.

Desalination has no known negative impacts on the environment.

All international conservation programs were started in the 1990’s.

The level of environmental protection enacted typically depends on _______.

the perceived benefit of the action

the support of the community

pressure from foreign governments

all of the above

The Working for Water program helps conserve water by employing individuals to remove invasive plants.

Waste management is an environmental issue that has been addressed by environmental policy.

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