There are a total of 7 plates
The answer would be (-13,-4) if you wanted to do it without a graph all you have to do is subtract so -8 - (-3)= -5 so five to the left and -9 - (-5)= -4 so four down. Hope this helps! :)
1. Vegetation 2. Glaciers 3. Earthquake 4. Crust 5.
D! all of the others are commonly used