Question

8) Smoke dust. Sulphuy dioxide, domestic
Secage.​

Answer 1

Answer:

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Answer 2

Answer:

The watchman, who does not own an anti-dust face mask, says he sweeps the floor every half an hour, but the effort is usually futile. “A lot of dust accumulates in the area. I have been told by my employers to sweep the entrance and keep it clean. But as you can see, it is quite a task.”

In the last two months, experts say, Madurai has been enveloped in a cloud of dust and smoke. The situation has had a serious impact on air quality index, which currently swings between 60 and 65, according to a study by Madurai Kamaraj University K. Muthuchelian.

This much information I collected from textbook, hope it helps :)