Science
Across
- 4. Not replaceable by natural means within a shortperiod of time
- 5. replaceable by all natural means
Down
- 1. Water that collects in cracks and pores inunderground soil and rock layers
- 2. Any natural process that happens to earth such as wethering,erosion, or plate technonics
- 3. resources that exist inenvironment withouthuman intervention