What Do Moonquakes Reveal About the Moon

question 103

Multiple Choice

What do moonquakes reveal about the Moon?

• A)It has a strong magnetic field generated by a large molten core.
• B)It has a differentiated core, displaced away from us by the Moon's rotation.
• C)Its small, partially molten core has been pulled toward us by tidal forces.
• D)The Moon has been geologically dead throughout its entire history.
• E)The Moon is quite active, almost as much so as Jupiter's moon Io.

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Definitions:

Defibrillator

A device used to deliver a therapeutic shock to a heart in abnormal rhythm, in an attempt to restore normal heart rhythm.

Electrode Paddles

Devices used during defibrillation to deliver an electric current through the chest wall to the heart.

Ventricular Contractions

The rhythmic tightening and pumping action of the heart's ventricles, which send blood out to the body (systole) and relax to fill with blood (diastole).

Inferior Vena Cava

The large vein that carries deoxygenated blood from the lower and middle body into the right atrium of the heart.