Why Don't Tall Mountains in the Continental Crust Sink and Disappear

question 39

Multiple Choice

Why don't tall mountains in the continental crust sink and disappear into the partially melted asthenosphere?

• A) The asthenosphere is rigid and doesn't allow the mountain to sink.
• B) The continental crust is lighter than the asthenosphere so it can't sink.
• C) Mountains do sink into the asthenosphere, but only until they have displaced a volume of asthenosphere equal to their mass.
• D) The asthenosphere is constantly building up the mountain from below so it can't sink.

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Definitions:

Mental Health System

The network of services and supports available for individuals dealing with mental health conditions, including therapy, medication, and social support.

Rosenhan's Study

A study conducted by David Rosenhan in which healthy individuals feigned hallucinations to gain admission to psychiatric hospitals, questioning the validity of psychiatric diagnoses.

Comorbid

The simultaneous presence of two or more diseases or medical conditions in a patient.

Depression

A mental health disorder marked by persistent feelings of sadness, loss of interest, and a lack of energy, affecting daily functioning.