Examlex
The empty chambers of Nautilus are connected by a cord of living tissue called the __________.
Seafloor
The bottom of the ocean, consisting of various geological structures including volcanic features, sediments, and rock formations.
Magma Chamber
An underground pool of liquid rock found beneath the surface of the Earth.
Asteroid Impact
The collision of an asteroid with another body, such as the Earth, often causing significant geological and environmental changes.
Sinkhole
A closed, circular depression, usually in a karst area, resulting from the collapse of an underlying cave.
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