Which of the following is a sedimentary rock? basalt shale quartz slate

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.

Witch layer of the atmosphere has the most air pressure

Countries trade with each other because resources are not evenly distributed across the globe. true or false