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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
garbage
B
pollutant
C
pollution
D
hazardous waste
2) The number and variety of organisms in a given area during a specific period of time
A
deforestation
B
habitat
C
overpopulation
D
biodiversity
3) This type of waste includes wastes that can catch fire; corrode, or eat through metal; explode; or make people sick
A
pollution
B
hazardous waste
C
pollutant
D
radioactive waste
4) An organism that makes a home for itself in a new place outside its native home
A
lost species
B
northern snakehead
C
exotic species
D
exotic amphibians
5) Anything that causes pollution
A
pollutant
B
smog
C
pollution
D
greenhouse gases
6) A resource that cannot be replaced or that can be replaced only over thousands or millions of years
A
limited resources
B
renewable resources
C
nonrenewable resources
D
infinite resources
7) Which of the following can cause pollution
A
chemicals
B
all of the above
C
garbage
D
noise
8) Pollution
A
does not affect humans
B
makes humans sick only after many years
C
can make humans sick
D
none of the above
9) Exotic species
A
re species that make a home for themselves in a new place
B
do not affect native species
C
are not introduced by human activity
D
do not take over an area
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 help the environment.
B
Coal and oil may eventually run out.
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 medicine and farming
C
advances in farming and housing
D
advances in housing and education
13) What are two harmful chemicals that are now banned?
A
PCBs and ozone
B
fertilizers and CFCs
C
ozone and fertilizers
D
CFCs and PCBs
14) If higher global temperatures melted the polar icecaps, what could happen?
A
coastal floods
B
colder air
C
more rain
D
less rain
15) Which of the following does noise pollution damage?
A
the atmosphere
B
the ocean
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
Nothing will happen to the water.
C
Fresh water might run out.
D
Plants and animals will survive without water.
17) Why do some exotic animal species harm new habitats?
A
They can’t find food.
B
They can’t build nests.
C
They don’t have prey.
D
They don’t have predators.
*select an answer for all questions
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