A Majority of the Melts in the Earth Form Through

question 50

Multiple Choice

A majority of the melts in the Earth form through the partial melting of ultramafic mantle rock.These newly formed magmas are

• A) ultramafic.
• B) mafic.
• C) felsic.
• D) intermediate.

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Definitions:

REM Sleep

Rapid Eye Movement (REM) Sleep is a stage of sleep characterized by quick, random movements of the eyes, dreaming, and increased brain activity.

Sleep Terrors

Intense episodes of fear that occur during deep sleep, often characterized by screaming, kicking, confusion, and no memory of the event upon waking.

Nightmares

Frightening dreams that occur during REM sleep, often in the morning hours.

Sleep Terrors

Episodes of screaming, intense fear, and flailing while still asleep, often occurring in children.