The Circumferential Folds That Encircle the Digestive Tract Are Known

question 121

Multiple Choice

The circumferential folds that encircle the digestive tract are known as

• A)muscularis externa.
• B)circular folds.
• C)rugae.
• D)serosa.
• E)adventitia.

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Definitions:

Slab Pull

A plate-driving force generated by the sinking action of a relatively dense, subducted slab.

Ridge Push

A plate-driving force that results from the tendency of an oceanic plate to slide down the sloping lithosphere-asthenosphere boundary near a mid-ocean ridge.

Upwelling Mantle

Refers to the process where hotter, less dense mantle material ascends towards the Earth's surface, typically at mid-ocean ridges or hotspots.

Mantle Convection

Movement of mantle material in response to variations in density, especially those caused by differences in temperature.