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your answer will be b and c because you're planting of crops will take a while to grow so it is not a sudden change to the Earth's surface and if you're building a tunnel through the mountain it won't affect the Earth's surface
Earth's surface is divided into crust, core, and mantle. Human activities and natural calamities can cause sudden changes in the Earth's Surface.
What Human Activities Cause Sudden Changes to Earth's Surface?
- The major contributors to the sudden changes to the Earth's surface are human activities such as overgrazing, deforestation, road building, and construction.
- Deforestation is the process of eliminating or removing the trees from the vast area of the land.
Thus, deforestation can cause a sudden change in the Earth's surface.
Learn more about Earth's surface here:
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