Which of the following sentence best describes a buffer?
buffers resist change in ph of solutions by neutralizing excess acid or base.
buffers change the ph of solutions by increasing acidity or basicity of solutions.
buffers change the ph of solutions by decreasing acidity or basicity of solutions.

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."