Chapter 21.1 Review (7th) Question Preview (ID: 35354)


Environmental Problems. TEACHERS: click here for quick copy question ID numbers.

An unwanted change in the environment caused by substances, such as wastes, or forms of energy, such as radiation
a) hazardous waste
b) pollutant
c) garbage
d) pollution

The number and variety of organisms in a given area during a specific period of time
a) overpopulation
b) deforestation
c) habitat
d) biodiversity

This type of waste includes wastes that can catch fire; corrode, or eat through metal; explode; or make people sick
a) pollutant
b) pollution
c) hazardous waste
d) radioactive waste

An organism that makes a home for itself in a new place outside its native home
a) exotic species
b) lost species
c) exotic amphibians
d) northern snakehead

Anything that causes pollution
a) smog
b) pollutant
c) greenhouse gases
d) pollution

A resource that cannot be replaced or that can be replaced only over thousands or millions of years
a) limited resources
b) infinite resources
c) nonrenewable resources
d) renewable resources

Which of the following can cause pollution
a) noise
b) garbage
c) chemicals
d) all of the above

Pollution
a) does not affect humans
b) can make humans sick
c) makes humans sick only after many years
d) none of the above

Exotic species
a) do not affect native species
b) re species that make a home for themselves in a new place
c) are not introduced by human activity
d) do not take over an area

Which of these are hazardous wastes?
a) leftovers
b) lawn clippings
c) medical wastes
d) newspapers

What is true about using oil or coal for energy?
a) Coal and oil will last forever.
b) Coal and oil may eventually run out.
c) Coal and oil help the environment.
d) Coal and oil will become easier to find.

What advances have made human population growth possible?
a) advances in housing and education
b) advances in radio and television
c) advances in medicine and farming
d) advances in farming and housing

What are two harmful chemicals that are now banned?
a) ozone and fertilizers
b) PCBs and ozone
c) fertilizers and CFCs
d) CFCs and PCBs

If higher global temperatures melted the polar icecaps, what could happen?
a) coastal floods
b) colder air
c) less rain
d) more rain

Which of the following does noise pollution damage?
a) the atmosphere
b) your hearing
c) the ocean
d) the land

What might happen if fresh water is used faster than it can be replaced?
a) Plants and animals will survive without water.
b) People might drink less water.
c) Fresh water might run out.
d) Nothing will happen to the water.

Why do some exotic animal species harm new habitats?
a) They don’t have predators.
b) They don’t have prey.
c) They can’t build nests.
d) They can’t find food.

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