Which statements correctly describes theories? Theories may be revised overtime

Theories cannot help predict what may happen in the future

Theories are proven facts

Theories result from several repeated experiments

Theories are based on single hypothesis

Theories explain observations and hypotheses

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