Whats the difference between subduction and accretion

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.

Match the type of region in column 1 to the example in column 2 functional region: functional formal perceptual example: the united states of america the slums of detroit the houston metropolitan area

The length of the path between two points is what