Pacific Ocean
Sharing a common border throughout its northern extent with the United States, Mexico is bounded to the west and south by the Pacific Ocean, to the east by the Gulf of Mexico and the Caribbean Sea, and to the southeast by Guatemala and Belize.
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Answer:
the plates move apart, causing the ocean floor to increase in size
The climate is too dry and with the very minimal rain fall , not many plants can survive due to the desertification.
The answer is:
Decreased Productivity :)
