5. What is harm in using wood as a fuel?
6. What is
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Answer:
it increases the amount of global warming as tress are the only source of oxygen
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Explanation:With proper stoves and good fuel burning practices, fuelwood and charcoal as well as other biomass can be burned cleanly, producing mostly carbon dioxide and water. Such conditions are difficult to achieve in poor rural and urban areas where small-scale inexpensive wood-burning stoves are used, however.
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