According to the theory of plate tectonics, which forces cause the movement of plates in the earth's crust? a. convection and the moon’s gravitational pull b. earthquakes and volcanic eruptions c. convection and gravity d. magnetism and energy from solar radiation

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.