One reason is that the plates float on a hot boiling mentle. when the heat rises and the mentle expands the plates above it also moves.
the other reason is that the plates themselves move.plates have warmer inner sides that tend to rise. and colder outer side that tends to sink. this tug of war between the hotter and colder sides of the plate also helps them move.
TRUE i just took the test and it was correct
Answer:
D. The Middle East
Explanation:
some the middle east countries are Saudi Arabia and Iran and they both are in the top 10 list on depending on oil export.