Microfilaments (actin) are important for

a.
cell movement
b.
maintaining cell shape
c.
muscle contraction
d.
a and b only
e.
a, b and c

answer; i believe the correct answer is (data); /// good luck

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."