Which part of the sun lies directly above the visible “surface” of the sun? ionosphere corona chromosphere photosphere (earth science)

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.

Stages 1 and 4 of the demographic transition are similar in that

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?