Answer :
Because this region is immune to human meddling, the earth's mantle won't change in the future.
What transpires in the mantle of the Earth?
We can determine the Earth's topography thanks to the heat and material transport taking place in the mantle. Plate tectonics is shifted by mantle activity, which also causes earthquakes, volcanoes, seafloor spreading, and the formation of mountains.
Therefore, since this area is protected from human interference, we can draw the conclusion that the earth's mantle won't alter in the future.
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