When working with a bunsen burner, which safety rule is most important? a) always add acid to water. b) never wear open-toed shoes. c) make sure to tie your hair back. d) always use a wafting motion to smell chemicals.

answer: wheres the options

explanation:

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."