Across
- 4. remote undistinguished
- 5. hardened
- 8. physics, the science of using models to explain or predict natural events
- 9. field, barrier; area in which the Earth's forces keep things from entering our atmosphere
- 11. boxes, collections of increasingly complicated problems
- 12. ability to recover from hardship
- 13. lunar basalt fields
Down
- 1. blowing a stream of rough material against a surface to smooth it
- 2. biological, bodily
- 3. thickness, solidity
- 6. ability to find creative solutions to problems
- 7. ability to adjust to new situations
- 10. violent,and natural