Question

The largest source of smog in autumn and winter months in rural India is​

Answer 1

Answer:

Burning crop residue

Out of the total gasses emitted from crop residue burning in India, almost 66% of it is carbon monoxide. Crop residue burning is a major source of black carbon in the environment. The most widespread increase in black carbon over the eastern and central-south regions is seen in the post-monsoon and winter periods.

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Answer 2

In autumn and winter months, large scale crop residue burning in agriculture fields – a cheaper alternative to mechanical tilling – is a major source of smoke, smog and particulate pollution.