Across
- 4. relating to the whole world
- 6. layers, stacked levels of rocks with different compositions and fossils deposited over time with the oldest layers at the bottom and the youngest layers at the top
- 7. involving or affecting only a small area
Down
- 1. affecting a particular region
- 2. a solid piece of Earth's surface
- 3. a sudden release of energy under Earth's surface that makes the ground shake or crack
- 5. a preserved part or trace of an animal or plant that lived in the past
- 6. formations, rock arrangements created by weathering; erosion; and other natural processes