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Chapter 21.1 Review (7th)
Test Description: Environmental Problems
Instructions: Answer all questions to get your test result.
1) An unwanted change in the environment caused by substances, such as wastes, or forms of energy, such as radiation
A
pollutant
B
hazardous waste
C
garbage
D
pollution
2) The number and variety of organisms in a given area during a specific period of time
A
habitat
B
deforestation
C
biodiversity
D
overpopulation
3) 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
radioactive waste
D
hazardous waste
4) 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
5) Anything that causes pollution
A
pollutant
B
greenhouse gases
C
pollution
D
smog
6) A resource that cannot be replaced or that can be replaced only over thousands or millions of years
A
nonrenewable resources
B
limited resources
C
renewable resources
D
infinite resources
7) Which of the following can cause pollution
A
noise
B
chemicals
C
all of the above
D
garbage
8) Pollution
A
makes humans sick only after many years
B
none of the above
C
does not affect humans
D
can make humans sick
9) Exotic species
A
are not introduced by human activity
B
re species that make a home for themselves in a new place
C
do not take over an area
D
do not affect native species
10) Which of these are hazardous wastes?
A
newspapers
B
medical wastes
C
leftovers
D
lawn clippings
11) What is true about using oil or coal for energy?
A
Coal and oil may eventually run out.
B
Coal and oil help the environment.
C
Coal and oil will become easier to find.
D
Coal and oil will last forever.
12) What advances have made human population growth possible?
A
advances in radio and television
B
advances in farming and housing
C
advances in medicine and farming
D
advances in housing and education
13) What are two harmful chemicals that are now banned?
A
fertilizers and CFCs
B
CFCs and PCBs
C
ozone and fertilizers
D
PCBs and ozone
14) If higher global temperatures melted the polar icecaps, what could happen?
A
colder air
B
coastal floods
C
less rain
D
more rain
15) Which of the following does noise pollution damage?
A
the ocean
B
the atmosphere
C
your hearing
D
the land
16) What might happen if fresh water is used faster than it can be replaced?
A
People might drink less water.
B
Plants and animals will survive without water.
C
Nothing will happen to the water.
D
Fresh water might run out.
17) Why do some exotic animal species harm new habitats?
A
They don’t have prey.
B
They can’t build nests.
C
They don’t have predators.
D
They can’t find food.
*select an answer for all questions
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