The Formation of a Giant Continental Caldera Includes All but Which

question 15

Multiple Choice

The formation of a giant continental caldera includes all but which of the following?

• A)Rising magma forms a low-density cap rich in SiO₂ and gases,bulging the ground surface upward.
• B)Basaltic eruptions begin from circular fractures surrounding the bulge.
• C)Magma pours out in high-volume pyroclastic flows,causing the ground surface to sink into a caldera.
• D)Removal of magma decreases the pressure on the magma below the caldera,causing new magma to bulge up the caldera floor.
• E)All of these are correct.

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Definitions:

Dorsal Column Tracts

Sensory pathways in the spinal cord that convey touch, vibration, and proprioceptive information to the brain.

Tactile Corpuscles

Specialized nerve endings in the skin responsible for sensitivity to light touch.

Vitreous Humor

A clear, gel-like substance that fills the space between the lens and the retina of the eye, helping maintain its shape.

Fovea Centralis

The fovea centralis is a small depression in the retina where visual acuity is highest, responsible for sharp central vision.