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;
Biomass is any organic matter-wood, crops, seaweed, animal wastes-that can be used as an energy source. Biomass is probably our oldest source of energy. For thousands of years, people have burned wood to heat their homes and cook their food. Biomass gets its energy from the sun.iomass is any organic matter-wood, crops, seaweed, animal wastes-that can be used as an energy source. Biomass is probably our oldest source of energy. For thousands of years, people have burned wood to heat their homes and cook their food. Biomass gets its energy from the sun.