​What Are the Four Primary Sources of Sand

question 21

Multiple Choice

​What are the four primary sources of sand?

• A)​continental, volcanic, muddy, and rock
• B)​continental, compressed ash, feldspar, and mica
• C)​magnetite, skeletal, precipitate, and granite
• D)​precipitate, skeletal, volcanic, and continental

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Definitions:

Primary Auditory Cortex

The part of the temporal lobe that is responsible for processing auditory information.

Temporal

Pertaining to time or located near the temples of the head.

Frontal

Relating to the frontal lobe of the brain, which is responsible for important cognitive skills, such as emotional expression, problem-solving, memory, and judgment.

Relative Size

A perceptual cue which allows the brain to understand the size of an object in relation to another through the visual information received.