Milestones and Turning Points — Unit test Answers

How can failing to conserve water contribute to greater water contamination?a.Overirrigating fields causes an increase in pollution that results from runoff.b.Natural water filters are depleted by the overuse of water.c.Sewage systems are more likely to fail due to greater demand, causing higher chances of water contamination.d.All of the above

How is desalination different from water reclamation?a.Desalination is less expensive than water reclamation.b.Desalination recharges aquifers.c.Desalination provides water suitable for drinking.d.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?a.Hydroelectric energy is more commonly used than coal.b.Hydroelectric energy is associated with less waste production than coal.c.Hydroelectric energy has a larger environmental impact than coal use.d.Hydroelectric energy requires more land space than coal use.

The Kyoto protocol works by _______.a.mandatory involvementb.voluntary involvementc.imposing trade restrictions on nonparticipating countriesd.offering monetary rewards to participating countries