Which geologic features help scientists determine the relative ages of rocks by their positions? Select three options.

magma
erosion
intrusions
index fossils
cross-cutting relationships
helppp i need it no

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

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

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.