Top 4 Biological Sources of Energy | Environment
This article throws light upon the top four biological sources of energy. The sources are: 1. Biomass 2. Biogas 3. Bioethanol 4. Bio-Hydrogen. Biological Source # 1. Biomass: Biomass is organic material of biological origin that has ultimately been derived from the fixation of carbon dioxide and the trapping of solar energy during photosynthesis. If it is to be used [...]