Across
- 3. an economy in which economic decisions are made in markets.
- 8. speed in a given direction.
- 11. no light let through material.
- 12. nearly all light let through.
- 13. a bending of light.
- 15. Changes on the outside of an organisms.
- 16. bouncing of light.
Down
- 1. what is the farthest planet to the sun.
- 2. the money left over after a business pays all its costs.
- 4. some light let through material.
- 5. Both organisms benifet off each others actions.
- 6. how an organisms has changed to better survive in its enviorment.
- 7. what is the closest planet to the sun.
- 9. One organisms benifits and one if unaffected
- 10. One organisms benefits and one is harmed.
- 14. how many planets are there.