What was the main impact of the trade networks of the abbasid

What kind of fault is the san andreas fault

What are some of the impacts of humans on the earth?

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.