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2. How Do We Impact The Environment?
Test Description: Review 2
Instructions: Answer all questions to get your test result.
1) What percentage of the water on Earth is salt water?
A
3%
B
97%
C
99%
D
70%
2) What percentage of freshwater is frozen in ice?
A
3%
B
2%
C
4%
D
1%
3) True or False: 48% of freshwater is used by the public.
A
True
B
False
4) True or False: Most of the water pollution in the US comes from non point sources.
A
False
B
True
5) Which of the following does not impact water quality?
A
Level of oxygen
B
Waste Management
C
Agriculture
D
Deforestation
6) True or False: Too little oxygen in the water can kill marine life.
A
False
B
True
7) Nitrates in fertilizer seeping into the water promotes the growth of what type of organism?
A
Shell Fish
B
None of the above
C
Algae
D
Fish
8) Agal bloom is defined as?
A
Algae population decreases at a rapid rate
B
Algae population stays the same
C
None of the above
D
Algae population increases at a rapid rate.
9) Increased carbon dioxide levels in the atmosphere means...?
A
Carbon dioxide levels will not change in the ocean
B
Increased carbon dioxide levels in the ocean
C
The ocean will have a lower temperature
D
Decreased carbon dioxide levels in the ocean
10) How much of our atmosphere is nitrogen gas?
A
58%
B
78%
C
70%
D
20%
11) True or False: Scientists estimate that human activities such as manufacturing and applying fertilizers to crops have doubled the amount of nitrogen cycling through ecosystems.
A
False
B
True
12) The development of desert like conditions due to human activities and/or climate change is known as?
A
None of the above
B
Deforestation
C
Reforestation
D
Desertificiation
13) What is NOT an effect of mining?
A
Cleaner land
B
Disturbs habitats
C
Polluted water
D
Changes the landscape
14) The portion of precipitation that moves over land and eventually reaches streams, rivers, lakes and oceans is known as?
A
Agriculture
B
Runoff
C
Mining
D
Water cycle
15) The development of land for houses and other buildings near a city is called?
A
Reforestation
B
Urban sprawl
C
Deforestation
D
Desertification
16) Which is NOT an impact of urban sprawl?
A
Decrease of pollutants
B
Habitat destruction
C
Loss of Farmland
D
Increased runoff
17) Urban sprawl occurred at the same time of what trend?
A
Decreased motor vehicle use
B
Increased motor vehicle use
C
None of the above
18) How much of the total trash in the US ends up in a landfill?
A
55%
B
65%
C
14%
D
31%
19) True or False: Trash containing hazardous waste can be thrown in a landfill because it does not affect the health of humans or other living things.
A
False
B
True
20) Examples of hazardous waste include all except?
A
All of the above are considered hazardous waste.
B
Medical waste
C
Batteries
D
Used motor oil
*select an answer for all questions
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