At or near the Surface, Where Winds Encounter Obstacles Such

question 21

Essay

At or near the surface, where winds encounter obstacles such as trees, building, topography, and slower moving layers of air, _______________ reduces the wind speed. ​

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Definitions:

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, controlling the movements involved in lip closure, puckering, and speech.

Puckering

The formation of small wrinkles or folds in a surface, often caused by contraction, shrinking, or gathering, particularly in skin or fabric.

Elevate Jaw

The action of raising the lower jaw or mandible, an action involved in facial expressions and chewing.

Close Mouth

The action of bringing the jaws together to bring the mouth into a position where it is not open.