State the disadvantages of burning wood as a fuel.
The disadvantages of burning wood as a fuel are: -
i. It releases unburnt carbon particles into the atmosphere. These fine particles are dangerous pollutants causing respiratory diseases like asthma.
ii. Incomplete combustion of it produces carbon monoxide gas. It is a very poisonous and suffocating gas.
iii. Burning of wood releases carbon dioxide into the environment. Increased concentration of carbon dioxide leads to global warming.