ACROSS 4. A boundary in which two plates move toward each other. 5. A boundary produced when two plates slide past each other; fault boundary. 6. A mass of molten rock formed at depth, including dissolved gases and crystals. 9. The process in which the crust plunges back into the Earth. 10. The topmost, solid part of the Earth that is composed of several plates. 1. DOWN These are rigid sections of the lithosphere that move as a unit. 2. A region or boundary where the crustal plates are moving apart 3. It is the force that drives the plates to move around. 7. A continuous mass of land with long width and height on the ocean floor; mid-ocean 8. A technique for detecting and determining the distance and direction of underwater objects by acoustic means.
Psagot po need ko na po yung sagot ngayon,yung matinong matinong sagot​