The Oldest Rocks of the Oceanic Crust Are Found in Deep

question 23

True/False

The oldest rocks of the oceanic crust are found in deep ocean trenches far away from active,mid-ocean ridges.

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Definitions:

Mediastinum

The medial compartment of the thoracic cavity, situated between the lungs, containing the heart, thymus, esophagus, trachea, and major blood vessels.

Esophagus

A muscular tube that conveys food and liquids from the mouth to the stomach.

Thoracic Cavity

A large body cavity in humans and many animals that houses the lungs and heart, among other organs, located between the neck and the abdomen.

Sternum

A long, flat bone located in the central part of the chest, connecting the rib bones and supporting the collar bone.