Exam Guidelines Exam Instructions
Question 2 of 20:
Select the best answer for the question.
2. Which process refers to the separation of Earth into the core, mantle, and crust?
O A. Differentiation
O B. Abiogenesis
O C. Cambrian explosion
O D. Photosynthesis
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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."