write four harmful effects of jhum cultivation
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2
Explanation:
The fragmentation of natural habitat loss native species and invasion of more exotic weeds arise and burning down of sun-dried vegetation pollutes the air with carbon- monoxide, nitrous oxide and many other harmful gases are some of the consequences of shifting cultivation on environment.
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Answer:
it destroy the fertility of soil
soil erosion increases
many trees are destroyed for this thin cultivation
air pollution increase
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