How did the climate or geography of north africa change between 10,000bc and 1000bc a. the climate cooled and many tropical areas experienced freezing temperatures for the first time b. volcanic activity turned much of the area into lava fields where few lifeforms could survive c. rainfall gradually increased in desert areas eventually became rain forests d. rainfall gradually diminish stand areas that were once grassy and for stead became deserts

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

Which of the following statements accurately differentiates elites from commoners in maya

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?