quiz 4

marine life can recover from crude oil spills most rapidly in

• cold and warm waters

• warm water with rapid currents

• cold water with rapid currents

• warm and cold waters

• estuaries

chesapeake Bay is vulnerable because it is

• shallow with a low flush rate

• deep with a low flush rate

• shallow with a high flush rate

• deep with a high flush rate

• off medium depth with a low flush rate

sustainable use of the earth's water resources involves

• an integrated approach to managing water resources and preventing water pollution throughout each watershed

• continued subsidizing of the market price of water so that there is a fair distribution of water

• emphasis on waste management over waste prevention.

• discharge of hazardous waste into deep wells

• channel pollution into the oceans instead of lakes and rivers

in rural and suburban areas ,the systems most commonly used to treat new sewage on personal property are

• living machines

• compost toilets

• primary sewage treatment

• secondary sewage treatment

• septic tanks

which of the following sewage purfication systems use solar greenhouse and artificial marshes?

• living machines

• compost toilets

• primary sewage treatment

• secondary sewage treatment

• septic tanks

which of the following types of sewage treatment are properly matched ?

• primary -physical process

• secondary -physical process

• primary -biological process

• secondary -chemical process

• primary -chemical process

of the following , the most ecologically responsible way to to dispose of sewage sludge is by

• incineration

• dumping it into the deep trenches of the ocean

• using conventional landfills

• treating it and using it as a fertilizer

• taking it to a landfill

surface water from a watershed will become groundwater when it infiltrates the ground

• true

• false

Groundwater can be recharged laterally from nearby lakes ,streams , and rivers .

• true

• false

california's water problems are exacerbated by the fact that most of the population lives in the south but most of the water supply is in the north

• true

• false