Across
- 2. gas that contributes to the greenhouse by absorbing infrared radiation
- 4. emission or transmission of energy
- 7. removes soils, rocks and dissolved material
- 12. mass of a building that enables it to store heat
- 14. increase in overall temperature
- 16. hydrogen containing material such as coal and natural gas
- 17. the movement cause within a fluid by the tendency of hotter and therefore less material
Down
- 1. clearing wide areas of trees
- 3. entire range of wavelenghts
- 5. throw back without absorbing it
- 6. remove bad substances to make pure
- 8. use of materials to reduce rates of heat transfer
- 9. a part of one
- 10. home or environment for animals plants etc
- 11. transmitted through material
- 13. one place to another
- 15. take in or soak up
- 18. the energy of microscopic motion