Geologists think earth’s continents began to form

a.
at the same time that earth formed
b.
at about the midpoint of precambrian time
c.
about 500 million years after earth formed
d.
near the end of precambrian time

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.

What are the secondary main characters in aquaman?

Which is not an example of a  cultural  bond found in a nation-state? a. a holiday traditionb. a common religionc. a favorite placed. a shared history