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CH 16 Mb
Test Description: D
Instructions: Answer all questions to get your test result.
1) Greenhouse gases include
A
all of the answers are correct
B
water vapor
C
methane
D
carbon dioxide
2) Data that support the theory that the Earth's average surface temperature is on the rise include
A
all of the answers are correct
B
carbon dioxide levels are increasing
C
rise in sea level
D
temperature evidence in tree ring samples
3) Climatologists estimate that the oceans absorbs about _% of the carbon dioxide released from burning fossil fuels
A
30 to 50
B
80 to 100
C
50 to 80
D
10 to 20
4) Possible effects of global warming inlcude
A
slowing and alteration of ocean currents
B
flooding coastal areas and island nations
C
loss of remaining coastal wetlands
D
all of the answers are correct
5) The Kyoto Climate Change Conference agreed to reduce carbon dioxide emissions to zero by 2012
A
false
B
true
6) Most likely, the only real solution to the global warming problem is
A
nuclear power
B
to stop using energy
C
to develop cost effective alternatives to fossil fuel
D
to find another planet to live on
7) The ozone layer is vital to life on Earth because
A
it protects us from ultraviolet radiation
B
it protects us from heavy rain
C
it supplies us with oxygen
D
it breaks down CFCs
8) Ultraviolet radiation is harmful because it
A
damages DNA and protein
B
causes unchecked photosynthesis
C
none of the answers are correct
D
penetrates the aphotic zone
9) The significance of the June 1990 international ban on ozone depleting chemicals is that it showed that the international community
A
can cooperate to solve global issues that threaten everyone
B
none of the answers are correct
C
gave it a good try even though it did not work
D
saved the ozone layer
10) The most common way that modern ships transplant non native species to new environments is by
A
deliberately sabotaging the local environment
B
allowing mascots to escape
C
loading and discharging ballast water
D
none of the above
*select an answer for all questions
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