The origins of the Trans-Saharan Slave Trade can be traced back to the migration of the Berber people of Northern Africa. However, their success in navigating the trade routes across the Sahara Desert is directly tied to which animal?

How might the effects of el niño impact forests in the united states? a) it could cause hurricanes that would destroy forests in oregon. b) it could cause droughts which would make forest fires more likely. c) it could cause an increase in mold that could kill large amounts of trees. d) it could cause an increase in the length of the wet, rainy seasons in the northwest.