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Q: What is the thickness of the crust on the continental masses ( in km.)?
  • A. 5
  • B. 15
  • C. 25
  • D. 35
Correct Answer: Option D - Continental crust is typically 35 km thick, while oceanic crust is much thinner, averaging about 6 km in thickness. The effect of the different densities of lithospheric rock can be seen in the different average elevations of continental and oceanic crust.
D. Continental crust is typically 35 km thick, while oceanic crust is much thinner, averaging about 6 km in thickness. The effect of the different densities of lithospheric rock can be seen in the different average elevations of continental and oceanic crust.

Explanations:

Continental crust is typically 35 km thick, while oceanic crust is much thinner, averaging about 6 km in thickness. The effect of the different densities of lithospheric rock can be seen in the different average elevations of continental and oceanic crust.