Across
- 3. resource that can be replaced
- 5. power source from water hydroelectricity
- 6. word for decrease deplete
- 7. mud bricks
- 10. needed in an oil field oilrig
Down
- 1. from the sun solar
- 2. exhaustible resource
- 4. gold oil
- 8. of minerals mining
- 9. millions of years to form fossils