Across
- 5. Fossil fuels all contain this element
- 6. Most of US's greenhouse emissions come from this
- 7. Energy from using fossil fuels turns to this
- 9. Changing energy forms lead to this
- 10. Releases energy as light or heat
Down
- 1. The most major greenhouse gas there is
- 2. Weather conditions in an area over time
- 3. Anything that takes up space and has mass
- 4. A glass building in which plants are grown
- 8. Fundamental subunits of matter