Answer:
water
Step-by-step explanation:
We use four types of biomass today—wood and agricultural products,solid waste, landfill gas and biogas, and alcohol fuels
Biomass is a collective term for all plant and animal material. A number of different forms of biomass can be burned or digested to produce energy. Examples of biomass include wood, straw, poultry litter and energy crops such as willow and poplar grown on short rotation coppice and miscanthus.
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