45. What ideas justify the scientists about the impact humans have on the carbon cycle?
A. Scientists think that we are contributing too much CO2 to the atmosphere, which could result in global climate change.
B. Scientists think that we may use up all naturally occurring sources of carbon, which could result in a lack of readily available fuel sources.
C. Scientists think that the amount of greenhouse gases that we are contributing to the atmosphere could be resulting in an increase of disease outbreaks.
D. Scientists think that if we continue to burn fossil fuels at the current rate, all plant life on the planet could die.
A. Scientists think that we are contributing too much CO2 to the atmosphere, which could result in global climate change.
B. Scientists think that we may use up all naturally occurring sources of carbon, which could result in a lack of readily available fuel sources.
C. Scientists think that the amount of greenhouse gases that we are contributing to the atmosphere could be resulting in an increase of disease outbreaks.
D. Scientists think that if we continue to burn fossil fuels at the current rate, all plant life on the planet could die.
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45.A. Scientists think that we are contributing too much CO2 to the atmosphere, which could result in global climate change