What is the name of the following chemical compound?

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

What reaction is taking place? 02 + c3h8 = h20 + co2

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