What is the best natural defense against erosion?

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 factors led to europe's global dominance in economic and political factors? what impacts did that dominance have on other peoples and environments?

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