Answer:

Biofuel is fuel that is produced through contemporary processes from biomass, rather than by the very slow geological processes involved in the formation of fossil fuels, such as oil. Since biomass technically can be used as a fuel directly, some people use the terms biomass and biofuel interchangeably.

Answer:

Biofuel, any fuel that is derived from biomass, that is, plant or algae material or animal waste.

Thank you bro for congratulating , i will boost up soon. And official language is bihari , but my mother tongue is bengali because i'm bengali , my family is bengali.