Across
- 1. to predict or estimate weather conditions in the future
- 3. an instrument measuring atmospheric pressure
- 4. caused by too much carbon dioxide being absorbed by the ocean
- 6. one of the heat trapping gases
- 7. an instrument measuring temperature
- 14. the number of living organisms that an ecosystem can support without environmental degradation
- 16. used in commercial agriculture to produce greater crop yield
- 17. one of the heat trapping gases
- 18. number 3 on the Periodic Table used to make rechargeable poer supplies
- 19. a device that measures wind speed and direction
Down
- 2. when saltwater finds its way into freshwater environments
- 5. current currents caused by winds
- 8. occurs when there is an exces of nutrients in a waterway
- 9. a resource that can be replenished in a shorter period of time
- 10. an instrument used to measure the amount of vapor in the air
- 11. farm where livestock is raised at a high production rate to meet market demand
- 12. having a limited quatity
- 13. the weather conditions prevailing in an area in general or over a long period
- 15. the rapid expansion of the geographic extent of cities and towns
- 20. a process used to extract valuable metals and ore from the earth