As the leading edge of a tectonic plate is forced back into the mantle, a small
convection current forms beneath it, pulling it downwards. this is known as
what?

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.

What causes the cyclical changes in the appearance of the moon?

What is meant by the term relative location?