state two natural and two man made sources of the green house gas - methane.
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The main sources of greenhouse gases due to human activity are:
burning fossil fuels leading to higher carbon dioxide concentrations
farming and forestry — including land use change via agriculture and livestock
cement manufacture
aerosols — chlorofluorocarbons (CFCs)
ocean release, respiration and volcanoes.
Natural causes are
Human sources come from activities like cement production, deforestation and the burning of fossil fuels.
The main natural sources include wetlands, termites and the oceans.
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burning fossil fuels leading to higher carbon dioxide concentrations
farming and forestry — including land use change via agriculture and livestock
cement manufacture
aerosols — chlorofluorocarbons (CFCs)
ocean release, respiration and volcanoes.
Natural causes are
Human sources come from activities like cement production, deforestation and the burning of fossil fuels.
The main natural sources include wetlands, termites and the oceans.
Hope this helped u and PLZ mark as brainist and like
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