Slate is a fine grained rock composed of tightly packed layers. most slate was originally some type of shale. what process formed slate?
a) erosion
b) metamorphism
c) sedimentation
d) volcanism

1. what was william harvey's discovery about the human body? @ two types of blood flowed through the veins and arteries. b four fluids existed in the body: blood, yellow bile, black bile, and phlegm. © the same blood flowed through the veins and arteries. d ancient ideas of human anatomy and bodily functions were wrong. done