Which of the Following Is the Present Plate-Tectonic Setting of Oceanic

question 22

Multiple Choice

Which of the following is the present plate-tectonic setting of oceanic crust in the Bering Sea?

• A)it contains a mid-ocean ridge
• B)it is being generated by back-arc spreading
• C)it does not contain any currently active plate boundaries
• D)it was formed by thinning of continental crust

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Definitions:

Hydra Morphology

The study of the physical form and structure of the freshwater organism Hydra, known for its regenerative capabilities.

Nematocysts

Specialized cells found in cnidarians (e.g., jellyfish) that contain a coiled, venomous thread used for capturing prey and defense.

Tube-shaped

Describing an object or structure that is long, hollow, and cylindrical.

Water Vascular System

A unique hydraulic system used by echinoderms, such as starfish, for locomotion, food and water transportation, and respiration.