The three major purposes of roots are to in the ground to and minerals from the soil and to the water and minerals above the stem and leaves.

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

yes, because even though a theory has a  lot of evidence to support it, it is not always true