global warming is the long term heating of Earth's climate system observe since the pre industrial period (between 1850and1900) due to human activities, primarily fossil fuel burning which increases heat trapping greenhouse gas levels in earth atmosphere
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Answer:
1.oil and gas
2.deforestation
3.waste
4.power plants
Explanation:
global warming is the long term heating of Earth's climate system observe since the pre industrial period (between 1850and1900) due to human activities, primarily fossil fuel burning which increases heat trapping greenhouse gas levels in earth atmosphere