In a phospholipid bilayer, fatty acid tails face each other within the bilayer and form a region that excludes water.

your answer is rna to the question.

the answer is :

i dont know it at allnow im just getting points at this pint

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."