WorksheetsHuman Impact #2
Total questions: 10
Worksheet time: 12mins
Name
Class
Date
1.
Which of the following is an example of a nonpoint source of fresh water pollution?
a)
leaking toxic landfill
b)
pesticide runoff from a farm
c)
factory pipe waste into a stream
d)
sewage treatment plant
2.
What amount of Earth’s total water supply is usable fresh water?
a)
25%
b)
less than 1%
c)
75%
d)
15%
3.
What is the function of the atmosphere’s ozone layer?
a)
shields Earth from UV rays
b)
protects Earth from the Sun's heat
c)
removes pollution from the atmosphere
d)
provides oxygen we need to live
4.
Which of the following is not a land resource?
a)
iron
b)
wind
c)
forests
d)
soil
5.
One way that mining for mineral resources damages the land is by ____.
a)
increasing soil erosion
b)
causing salinization
c)
depleting ozone
d)
adding greenhouse gases
6.
In which decade were the first important laws passed to decrease water pollution?
a)
1950s
b)
1960s
c)
1970s
d)
1980s
7.
The Clean Water Act ____.
a)
required pollution control devices on cars and power plants
b)
established Air Quality Standards
c)
set max contaminant levels for air pollutants
d)
required industries to reduce point source pollution nto drinking water
8.
What is the most important law passed to deal with air pollution?
a)
Clean Water Act
b)
Clean Air Act
c)
Resource Conservation and Recovery Act
d)
The Treaty of 1912
9.
Compost helps preserve the health of soil because it ____.
a)
is a natural fertilizer
b)
contains pesticides that kills insects
c)
breaks rock down into soil
d)
adds artificial fertilizers that help plants grow
10.
The Resource Conservation and Recovery Act of 1976 has resulted in ____.
a)
a decrease in recycling
b)
an increase in compost use
c)
decrease in fossil fuel use
d)
a decrease in illegal dumping of hazardous waste
100 %
