Across
- 3. molecules made up of only hydrogen and carbon.
- 8. increase in global temperature.
- 9. the practice of meeting the needs of the present without compromising the future
- 10. the measurement of how hot or cold something is
Down
- 1. The natural process where certain gases in the earth atmosphere trap heat from the sun
- 2. non renewable energy sources like coal
- 4. the buildup of pollutants
- 5. The process used by plants to convert light energy in to chemical energy.
- 6. the long term shift in earths average weather patterns.
- 7. a change of repeating monomers