Fill in the blank !! Please hurry! 1: weathering and erosion
Compaction and cementation
Heat and pressure

2: The same answers as #1

3: Igneous
Metamorphic
Sedimentary

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up