Science
Across
- 3. a long narrow depressions on the see floor that form on the boundary of tectonic where one plate was pushed
- 5. the outside or uppermost of something
- 6. 1 plate that is going down getting destroyed and other plate is going up
Down
- 1. a boarder between 2 plates
- 2. a plates that move away from each other
- 4. layer inside a planetary bounded below a core and above by a crust