Across
- 3. this type of energy is generated by ocean waves
- 7. this type of energy is natural heat coming from the earth
- 8. what way to harvest trees do you leave to be reseeded
- 11. what can be regenerated if used carefully
- 12. what is part of the 3R's that is never purchased
- 14. what type of forest has broad leaves that change colour in the fall
- 16. what can be replaced by natural actions
- 20. earth worms are highly benificial to this natural resource
- 21. this type of energy is generated from sunlight
- 22. what is the best level for this type of natural resource
- 24. what class of minerals are burned to produce energy
- 26. humus is the most important factor of this natural agriculture
- 27. this is a way of mining that you have to to below earths surface
- 29. what class of minerals are valued for rarity and strength and is found in the canadien sheild
- 30. what doesn't fit in any other resources
Down
- 1. this is a way of mining that is using a large hole
- 2. what is a thing that is limited and cant be replaced if used up
- 4. what way to harvest trees is only taking mature trees
- 5. this is a way to mine minerals near the surface
- 6. growing season and moisture are two variables of this natural agriculture
- 9. this is found in the total stock people find useful
- 10. what type of forest has needles and remain all year round and has cones
- 13. what is the easiest way to harvest trees
- 15. what is part of the 3R's that the material of the item that can be used again
- 17. this resource is all parts of the natural environment
- 18. this type of energy is moving river water
- 19. this type of energy is the burning of natural products or waste
- 23. what is part of the 3R's that can be used by someone else
- 25. what class of minerals is used for construction
- 28. this is a resource that can be anything used to produce goods and services
- 31. this source of energy is rising and falling water