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Across 6. The way of living that is usual for you (3 Words) 7. The deepest part of the ocean 9. A regulatory agency created in 1970 to protect the environment 11. This includes that parts of the lithosphere, atmosphere, and hydrosphere where organisms can survive 12. A well tested hypothesis that explains scientific observations 13. Contaminated water from a dump or landfill 14. A haze that results from vehicle and industry emissions 18. The largest number of organisms that an area can support (2 Words) 19. A site for disposing waste on land (2 Words) 20. A species that no longer exists is _____

Down 1. Non-point solution is often carried by _____ 2. Producers store the sun's energy as _________ 3. An extemely long period of little rainfall 4. The amount of salt dissolved in seawater 5. A harmful chemical that enters the air directly (3 Words) 8. Waste from the production of iron or other metals 10. This example of a biome is a fertile, temperate area also called steppes, pampas, and veldts. 15. The energy of motion 16. The long term average of weather conditions in a particular area 17. A substance with a pH higher than 7