I just need help with these four geographic question they are due at 6:30

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 measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air

Are divergent boundaries responsible for tsunamis?