gracies crossword puzzle
Across
- 1. the one giant piece of land.
- 3. it is very hot
- 5. the founded of plate tectonics
- 6. we live and walk on this layer
- 7. drift the gradual movement of the continents across the earth's surface through geological time.
Down
- 2. best known for the continental drift
- 4. the crust floats on this