Question

biomass energy can be a sustainable carbon - neutral source of energy. how do we use biomass for energy? we burn it (combustion) or chemically convert it to biofuel. we soak it in water to release heat energy.

Explanation:

Biomass energy utilization methods include combustion and chemical conversion to biofuel. Soaking in water to release heat energy is not a common method.

Answer:

We burn it (combustion) or chemically convert it to biofuel.