Answer:
I would choose the first one
As the 20th century began, the U.S, was the dominant economic political power in the WORLD.
It would be D, because is it was A, it would only affect the person in the house, when hot gas goes out a volcano it would most likely be a sign of global warming, C if it forces a car off the road it won't damage it much. But you are slowly weathering a land form on Earth.<span />
Answer:
A convergent boundary is an area where 2 or more plates collide. 1 plate slides underneath the other causing subduction.
