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Matter Cycles And The Atmosphere
Test Description: Matter cycles, pollution, atmosphere
Instructions: Answer all questions to get your test result.
1) Which of the following removes CO2 from the atmosphere?
A
Burning fossil fuels
B
Rainforests
C
Spraying aerosol cans
D
Cars
2) What does the ozone layer protect living things from?
A
The Sun's Ultraviolet (UV) Rays
B
Meteors
C
Excessive Heat
D
Bad Weather
3) What physical symptoms are associated with a reduction of ozone in the upper atmosphere?
A
Constant Coughing
B
Fever
C
Broken Legs
D
Skin Cancer
4) World leaders struggle to form a global policy concerning the release of greenhouse gases. What best describes the role science should play in forming public policy?
A
Science has no role in the formation of public policy
B
Policy issues are not important enough to include science
C
Scientific data should be used to inform public policy makers
D
Only scientific data should be considered when making public policy
5) What is the most likely effect of the increase in carbon dioxide levels in the atmosphere?
A
tropical rainforest destruction
B
ozone depletion
C
warmer atmosphere
D
acid rain
6) Which substance is considered the main cause of the "ozone hole"?
A
carbon dioxide (CO2)
B
chlorofluorocarbons (CFCs)
C
water vapor
D
methane (CH4)
7) Burning fossil fuels adds carbon dioxide to the atmosphere. If we continue to add carbon dioxide to the atmosphere at the current rate, how will this affect the carbon cycle?
A
The number of carbon atoms on Earth will increase
B
The number of carbon atoms in the atmosphere will increase
C
The number of carbon atoms in the atmosphere will decrease
D
The carbon cycle will be unaffected
8) In the carbon cycle, how does carbon enter living organisms?
A
Decomposers release carbon dioxide
B
Humans burn coal
C
Respiration by animals
D
Photosynthesis by plants
9) Why is the use of fossil fuels decreasing slightly?
A
Available fossil fuels in the earth are just about gone.
B
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
C
Global warming decreases our need to burn fuel for heat in cold weather.
D
Automobiles are using less gasoline because of the increasing price of oil.
10) What is the major reason that nitrogen is so important for living things?
A
Living things need nitrogen to breathe
B
Nitrogen is not important for living things
C
DNA and proteins are made with nitrogen
D
Nitrogen can help plants grow better
*select an answer for all questions
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