The spring equinox is may 22. true false

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.

In the diagram below, ab and bc are tangent to o. what is the measure of

In plate tectonics, why is the north american plate tectonically inactive?