Related Topics:
4. Various sources of energy are used to power human activities.

Associated Grade Levels:
7-89-1011-12

Sub-Resources

Clearwater Basin Biomass Atlas: Introduction
Associated Grade Levels:
7-89-1011-12

Clearwater Basin Boundary Map
Associated Grade Levels:
7-89-1011-12

Related Sub-Topics

4.3 Fossil and biofuels are organic matter that contain energy captured from sunlight.