Respuesta :
Biomass is the source of almost half of all renewable energy in the United States.
Answer:
Biofuel.
Explanation:
Renewable energy in the United Stated is mostly sourced from Biofuel with an 22.4% of all renewable sources used.
Biofuel comprehends fuels that are made from organic material, exactly, biomass.
Biomass is plant or animal material used as energy, like forest residues or animals waste.