Related Topics:4. Various sources of energy are used to power human activities. 8. Wood based bio-fuels are one form of energy that is renewable
Associated Grade Levels:9-1011-12
4.5 Humans generate electricity in multiple ways.
4.1 Humans transfer and transform energy from the environment into forms useful for human endeavors
8.1 Sources of cellulosic residuals used are found in forest operations and in industry process
8.2 Transportation and logistic considerations shape cost and feasibility within supply chains.