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:

To determine the correct way to use biomass for energy, we analyze the options. Biomass energy is harnessed by combustion (burning) to produce heat/energy or by chemical conversion to biofuels (like converting biomass to ethanol). Soaking biomass in water does not release heat energy for energy production in a practical or known method for biomass energy utilization.

Answer:

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