Human activities like burning fossil fuels and deforestation cause concentrations of greenhouse gases in the atmosphere to increase. These chemicals act like a blanket, trapping heat. Examples of these chemicals are carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). This causes a phenomenon called global warming, which means global temperatures are increasing. When this happens over a long period of time, it contributes to worldwide climate change.
1e. Human activities like burning fossil fuels and deforestation cause concentrations of in the atmosphere to increase. These chemicals act like a blanket, . Examples of these chemicals are . This causes a phenomenon called , which means global temperatures are . When this happens over a long period of time, it contributes to worldwide .
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