: not mixed with anything : free from all the things that might make soiled, transform, or lessen the quality The resources of biomass most probably to offer efficient carbon elimination are wastes, residues and by-products from unused plant or animal resources that end result from typical farm, forestry or https://judahxfhij.canariblogs.com/the-smart-trick-of-biofuel-that-no-one-is-discussing-53037208