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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
Rainforests
B
Burning fossil fuels
C
Spraying aerosol cans
D
Cars
2) What does the ozone layer protect living things from?
A
Excessive Heat
B
The Sun's Ultraviolet (UV) Rays
C
Bad Weather
D
Meteors
3) What physical symptoms are associated with a reduction of ozone in the upper atmosphere?
A
Skin Cancer
B
Constant Coughing
C
Fever
D
Broken Legs
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
Only scientific data should be considered when making public policy
D
Scientific data should be used to inform public policy makers
5) What is the most likely effect of the increase in carbon dioxide levels in the atmosphere?
A
warmer atmosphere
B
ozone depletion
C
acid rain
D
tropical rainforest destruction
6) Which substance is considered the main cause of the "ozone hole"?
A
methane (CH4)
B
chlorofluorocarbons (CFCs)
C
water vapor
D
carbon dioxide (CO2)
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 carbon cycle will be unaffected
C
The number of carbon atoms in the atmosphere will decrease
D
The number of carbon atoms in the atmosphere will increase
8) In the carbon cycle, how does carbon enter living organisms?
A
Humans burn coal
B
Decomposers release carbon dioxide
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
Automobiles are using less gasoline because of the increasing price of oil.
C
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
D
Global warming decreases our need to burn fuel for heat in cold weather.
10) What is the major reason that nitrogen is so important for living things?
A
Nitrogen can help plants grow better
B
Living things need nitrogen to breathe
C
Nitrogen is not important for living things
D
DNA and proteins are made with nitrogen
*select an answer for all questions
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