Why might have early cultural groups developed along the banks of rivers?
a. people were afraid of other areas.
b. the rivers were used to sustain life.
c. religion was associated with the rivers. eliminate
d. the spread of language was dependent on the rivers.

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 is the difference between external & internal migration

How has industrialization hurt the forest of europe