Answer:
Chimney soot
Step-by-step explanation:
- The periodicity of chimney used in homes is very highly harmful to human health.
- If proper maintenance and cleanliness and ventilation are taken care of on such organic compounds, it can also control human health.
- Carbon compounds form chimneys are highly harmful to human health if timber or coal-fired black chimney soot can be disposed of from time to time and with constant maintenance we can control pollution.