Answer:
For 8.) it is either b or c but most likely b
I dont really know for 7 tho sry
Explanation:
I think it is <span>Eurasia</span>
Explanation:
Wars might be caused because different cultures might think they are superior to others which could cause war.
A slow change to the earth's surface would be the formation of mountain ranges over millions of years due to the shifting of tectonic plates under the earth. Also, another slow change could be considered erosion or weathering. Two rapid changes could be landslides and earthquakes.