Which word is the past particple form of run? run running ran runned

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.

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.

How does central place theory explain patterns in the size and distribution of cities?