Wood is a secondary fuel . it is true or false

1.	Wood is a secondary fuel . it is true or false
Answer» Wood fuel\xa0(or fuelwood) is a\xa0fuel\xa0such as firewood, charcoal, chips, sheets, pellets, and sawdust. ... The use of\xa0wood\xa0as a\xa0fuel\xa0source for heating is much older than civilization and is assumed to have been used by Neanderthals. Today, burning of\xa0wood\xa0is the largest use of energy derived from a solid\xa0fuel\xa0biomass.\xa0Secondary fuels\xa0are\xa0fuels\xa0that are derived from some primary\xa0fuel\xa0or\xa0fuels\xa0through chemical or physical processes. These are\xa0fuels\xa0that are not found as a natural resource. ... This means that\xa0secondary fuels\xa0are often an intermediate form of energy between the primary energy and the energy services.

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