Ch. 11 Land, Air, Water Resources
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____1.Upwelling carries nutrients out of what kind of ocean waters?
a. / darkb. / shallow
c. / deep
d. / clean
____2.The process of restoring an area of land to a more natural, productive state is called
a. / erosion.b. / nutrient depletion.
c. / desertification.
d. / land reclamation.
____3.A type of landfill designed to hold municipal solid waste safely is
a. / a compost pile.b. / a sanitary landfill.
c. / a leachate landfill.
d. / an open dump.
____4.To create less waste in the first place is to
a. / reduce.b. / reuse.
c. / recycle.
d. / incinerate.
____5.Which type of hazardous waste gives off radiation?
a. / toxic wasteb. / corrosive waste
c. / flammable waste
d. / radioactive waste
____6.Which indoor air pollutant is a colorless, odorless gas that forms when wood, coal, oil, or gas are incompletely burned?
a. / ozoneb. / smog
c. / radon
d. / carbon monoxide
____7.One group of gases that is responsible for destroying ozone in the ozone layer is
a. / car exhaust fumes.b. / CFCs.
c. / nitrogen oxides and sulfur oxides.
d. / carbon monoxide and carbon dioxide.
____8.Most of Earth's water (about 97 percent) is
a. / freshwater in lakes and rivers.b. / salt water in the oceans.
c. / in the form of snow or ice.
d. / in the clouds.
____9.Strong hydrochloric acid can dissolve many substances. Which type of hazardous waste would this acid be?
a. / explosive wasteb. / flammable waste
c. / corrosive waste
d. / radioactive waste
____10.Approximately half of the ocean's surface waters are owned by
a. / the United States.b. / the United Nations.
c. / the European nations.
d. / no nation.
____11.Using land to grow food crops is an example of
a. / desertification.b. / agriculture.
c. / mining.
d. / development.
____12.A valuable mineral deposit is located just below the surface of the ground. Which method would be used to obtain the mineral?
a. / land reclamationb. / nutrient depletion
c. / strip mining
d. / underground mining
____13.The process of reclaiming products such as metal, glass, paper, and plastic and reusing them to create new products is called
a. / incineration.b. / composting.
c. / mining.
d. / recycling.
____14.Many types of hazardous waste can be disposed of
a. / in a carefully designed landfill.b. / in the oceans.
c. / down the drain.
d. / in an open dump.
____15.The bacteria that break down oil after an oil spill in the ocean are
a. / quickly killed by the oil.b. / always present in the ocean.
c. / better able to handle large spills than small ones.
d. / dangerous to ocean organisms.
Completion
Complete each statement.
16.Filters and settling tanks remove solid materials from wastewater during the ______treatment step.
17.A radioactive gas that is naturally formed by certain types of rocks underground is called ______.
18.Gases called ______block the cycle in the ozone layer that absorbs ultraviolet radiation.
19.People may not have enough water during a(n) ______, a period when rainfall is below normal.
20.A living ocean resource that is often used as a thickener in shampoo, cosmetics, and ice cream is ______.