When a rock is altered by extreme heat and pressure, what type of rock is the result?
a. sedimentary
b. igneous
c. metamorphic
d. clastic

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

Which two particles are found in the center of an atom

What causes the formation of ocean currents?