Across
- 3. An underground formation that contains groundwater
- 8. long-term average of weather in an area
- 9. Fuels that are ancient remains of plants and animals. (Separate the words with an _)
- 10. The removal of trees faster than forests can replace themselves
- 12. a long period of unusually dry weather.
- 13. day-to-day changes in atmospheric conditions
- 14. A type of resource that is replenished faster than it is used.
- 15. amount of moisture in the air.
Down
- 1. A type of resource that is not replenished faster than it is used.
- 2. Rocks formed by the cooling and hardening of magma or molten lava
- 4. species that enter new ecosystems and multiplies greatly because there are no natural predators. (Separate the words with an _)
- 5. any significant change in measures of climate, such as temperature, precipitation, or wind. (Separate the words with an _)
- 6. A harmful material that can enter the biosphere through the air, soil or water
- 7. Rocks that undergo a physical change due to extreme heat and pressure
- 11. Protecting and preserving natural resources and the environment
