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When an Air Parcel Is Cooler Than the Surrounding Environment

question 86

True/False

When an air parcel is cooler than the surrounding environment it is unstable.


Definitions:

Accretionary Prism

A prism-shaped pile of rock and sediment detached from the upper part of a descending tectonic plate and adhered to the plate above it at a collision zone between tectonic plates.

Subduction Zone

The region where one tectonic plate moves under another, leading to volcanic activity and earthquakes.

Magma

The molten or semi-molten natural material from which all igneous rocks are derived, existing beneath the Earth's surface.

Thrust Sheets

Large sections of the earth's crust that have been moved and placed over another rock formation, typically due to compressional forces.

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