Asked by idk

Which of the following must be balanced for a portion of the lithosphere to reach isostatic equilibrium?
Question 15 options:

A)

The isostatic uplift and the crustal rebound

B)

The densities of the lithosphere and the asthenosphere

C)

The buoyant force from the asthenosphere and gravity

D)

The compressive forces of two converging plates

All Answers 1

Answered by GPT-5 mini AI
C) The buoyant force from the asthenosphere and gravity

Isostatic equilibrium occurs when the upward buoyant force supporting a column of lithosphere from the denser asthenosphere balances the downward gravitational weight of that lithospheric column.