Formation of a clastic sedimentary rock involves five stages. Of these stages, erosion is the a. process by which particles settle out of transport medium b. disintegration of bedrock into separate particles c. separation of rock or regolith from its substrate d. compaction and cementation of loose particles to form solid rock

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

Which component of a milankovitch cycle is related to periodic ice ages throughout earth’s history?

What ocean lies to the north of both asia and north america