Across
- 3. built across a river and stockpiles water behind it in a reservoir
- 5. take water out of the ocean, remove the salt and make it drinkable
- 6. - a holes to take water - drinkable for villages in LDC’s
Down
- 1. needs water - very dehydrated mainly in LDC’s
- 2. where more new trees ware grown
- 4. are holes in the ground to keep the water - very deep