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Which substance is considered the main cause of the "ozone hole"?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
In the carbon cycle, how does carbon enter living organisms?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
Which of the following removes CO2 from the atmosphere?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
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?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
What is the major reason that nitrogen is so important for living things?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
What does the ozone layer protect living things from?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
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?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
Why is the use of fossil fuels decreasing slightly?
The Sun's Ultraviolet (UV) Rays
The number of carbon atoms in the atmosphere will increase
Alternative sources of power, like hydroelectric power, are becoming more available and efficient.
Photosynthesis by plants
DNA and proteins are made with nitrogen
chlorofluorocarbons (CFCs)
Scientific data should be used to inform public policy makers
Rainforests
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