Compare swidden and wet rice agricultural practices.

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Swidden is a term used for a land that is devoid of trees due to the cutting and burning of trees to make way for a vast area. It is also called slash and burn agriculture. Whereas wet rice agricultural is the planting of trees on a land that is dry and then filling it with water to help the seeds grow and when it is harvested, the land is to be drained with water.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”

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