Related Topics:6. The amount of energy used by human society depends on many factors.4. Various sources of energy are used to power human activities.
Associated Grade Levels:9-1011-12
4.2 Humans use of energy is subject to limits and constraints.
4.3 Fossil and biofuels are organic matter that contain energy captured from sunlight.
4.7 Different sources of energy and different ways energy is transformed, transported, and stored.
6.8 Amount of energy used can be calculated and monitored.