Unlike fossil fuels, biomass is renewable in the sense that only a short period of time is needed to replace what is used as an energy resource.
(biomass; is; renewable in the sense that only a short period of time is needed) (only a short period of time; is needed; to replace what is used as an energy resource)
biomass only a short period of time
is is needed
renewable in the sense that only a short period of time is needed
to replace what is used as an energy resource