XML describes the content in terms of what data is being described. For example, the word phonenum placed within markup tags could indicate that the data that followed was a phone number.
Biomass is fuel that is developed from organic materials, a renewable and sustainable source of energy used to create electricity or other forms of power. Some examples of materials that make up biomass fuels are: 1  scrap lumber; 2  forest debris; 3  certain crops;
Like trees, animals, and garbage: The total mass of living matter within a given unit of e â¦ nvironmental area.Plant material, vegetation, or agricultural waste used as a fuel or energy source. Biomass is typically used as a renewable energy source.