Across
- 4. brings underground water to surface
- 5. built on rivers to
- 8. the biggest canal in India
- 9. saving resources for later use
- 10. they are dug to extract oil from earth
Down
- 1. most fertile soil
- 2. removal of top layer of soil by wind and water
- 3. extracting minerals from rocks
- 6. helps to generate hydroelectricity
- 7. rocks from which minerals are extracted