Final answer:
Exfoliation is the separation of rock layers due to weathering. An everyday example is concrete breaking due to water freezing. Spheroidal weathering creates rounded rock edges.
Explanation:
Exfoliation is the separation of successive shells from bedrock due to weathering processes. This leads to the disintegration of rocks into thin layers.
An everyday example illustrating a similar effect to freeze-thaw action is the concrete of a road breaking apart due to water entering cracks, freezing, expanding, and causing the concrete to crack further.
Spheroidal weathering, a result of exfoliation, creates rounded edges and corners on rock outcrops, giving them a 'blobby' appearance.
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