The Major Processes That Heat the Interiors of the Terrestrial

question 52

Multiple Choice

The major processes that heat the interiors of the terrestrial worlds are

• A)(1)Heat deposited as the planets were built from planetesimals;(2)heat of accretion;(3)heat that came from the gravitational potential energy of incoming planetesimals.
• B)(1)Heat of accretion;(2)heat from convection;(3)heat from thermal radiation.
• C)(1)Heat deposited as the planets were built from planetesimals;(2)heat deposited as the planets underwent differentiation;(3)heat released by radioactive decay.
• D)(1)Volcanism;(2)tectonics;(3)erosion.

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Definitions:

Systole

The phase of the heart cycle during which the heart muscles contract and pump blood into the arteries.

Contraction Phase

The period during a muscle contraction when muscle fibers shorten and tension increases, typically measured in an isotonic contraction.

Femoral Vein

A major vein located in the thigh that carries blood from the lower extremities back to the heart.

Thigh

The part of the human leg between the hip and the knee.