Which of These Properly Illustrates the Principle of Isostasy

question 4

Multiple Choice

Which of these properly illustrates the principle of isostasy?

• A) High-density crust floats on top of low-density mantle.
• B) Mountains stand high because they are gravitationally balanced by their deep crustal roots.
• C) When weight is added to the crust,the crust responds by rebounding upward.
• D) When material is removed from the crust,the crust maintains the new,lower elevation.

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Definitions:

Oral Stage

In psychoanalytic theory, the first stage of psychosexual development, where the mouth is the primary source of gratification.

Defense Mechanism

Psychological strategies employed by individuals to cope with reality and maintain self-image by unconsciously denying or distorting reality.

Reaction Formation

A psychological defense mechanism in which a person unconsciously replaces unacceptable thoughts or feelings with their opposites.

Phallic Stage

A phase in Freud's psychosexual development theory, occurring from about ages 3 to 6, where the libido's focus is on the genital area.