Question

13. What type of waste is often burnt? Is it a good practice? Why?​

Answer 1

Answer:

Backyard burning of trash in a barrel, pile or outdoor boiler releases smoke into the air. ... Trash fires in burn barrels can smolder and as a result produce greater amounts of harmful chemicals in the smoke. Harmful chemicals can also be present in the ash.

Explanation:

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Answer 2

Explanation:

Many natural gas-fired and oil-fired and a smaller number of coal-fired boilers also burn hazardous waste. Most gas fired and oil-fired boilers burn only wastes that contain essentially no ash or chlorine, because they do not have air-pollution control devices.  Backyard burning of trash in a barrel, pile or outdoor boiler releases smoke into the air. ... Trash fires in burn barrels can smolder and as a result produce greater amounts of harmful chemicals in the smoke. Harmful chemicals can also be present in the ash.