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
Please help