Across
- 4. the process by which commercially valuable resources are removed from Earth
- 6. the amount of pore space in a material
- 7. to greatly reduce the amount of something
- 8. deposits of minerals that are large enough to be mined for a profit
- 10. a body of permeable rock which can contain or transmit groundwater
- 11. a supply of something that is stored so it can be used later
- 12. loose, weathered material in which plants grow
Down
- 1. the measure of water's ability to flow through sediment and rock
- 2. a substance formed naturally in Earth, such as gold
- 3. the shape and steepness of the landscape
- 5. not allowing something (like water or gas) to pass through
- 9. this type of zone is an area where one tectonic plate sinks beneath another