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If a mountain range has a crust that is 60 km thick and a surface elevation of 4 km above sea level, how much erosion is necessary to reduce the surface elevation to approximately one kilometer above sea level? (1) 5-6 km (2) 10-12 km (3) 15-18 km (4) 20-24 km (5) 25-30 km
Answers: 2
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If a mountain range has a crust that is 60 km thick and a surface elevation of 4 km above sea level,...
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