<u>Answer and Explanation:</u>
The mechanism which is responsible for moving the plates that bring change in the position of the continents is the convection in the asthenosphere.
Henry Hess, a geologist and an American Navy officer in the World War II, discovered that the sea floor and the the Mid Atlantic Ridge is spreading which helped the the scientists in studying and understanding the mechanism of how the plates move.
Could you post a photo of the graph?
True costa rica has many conservation programs
The answer is A
i did the test and i got it right
A.enforces because the others so the other stuff