Four statements about the arrangement of particles are given. 1. Particles are packed in a regular arrangement.
2. Particles are randomly arranged.
3. Particles move over each other.
4. Particles vibrate about fixed points.
Which statements describe the particles in a solid?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic