Across
- 2. an opening in the earths crust through which molten rock is pushed out and creates new rock
- 3. where tectonic plates slide past eachother causes earthquakes.
- 6. new oceanic crust is formed as tectonic plates pull apart and magma rises.
- 7. formed at plates boundries usually when plates collide
Down
- 1. name of the ancient supercontinent when it was all one landmass
- 4. fractures or zones of weakness in the earths crust.
- 5. deep, elongated depressions in the ocean, often associated with subduction zoness