What are other factors, in addition to increasing CO2 concentrations that affect global warming?
What will be an ideal response?
ANSWER: The main cause of global warming is thought to be the greenhouse gas CO2, whose concentration has been increasing primarily due to the burning of fossil fuels and deforestation. However, increasing concentrations of other greenhouse gases, such as methane (CH4), nitrous oxide (N2O), and chlorofluorocarbons (CFCs) have collectively been shown to have an effect approaching that of CO2. Overall, water vapor accounts for almost 60 percent of the atmospheric greenhouse effect. CO2 accounts for ˜26 percent, methane ˜7 percent, and remaining greenhouse gases ˜7 percent.
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What will be an ideal response?
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What will be an ideal response?
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Indicate whether this statement is true or false.
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