The 'run' in rise/run tells us which directions to go on the -axis?

The 'run' goes through the x-axis(horizontally). It can either go left or right depending on the direction of the slope.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

if someone had the list of traits you provided