A series of close contour decreasing value towards the center represents what?

Question

Accepted Answer

A series of close contour decreasing value towards the center represents a concentric pattern.

Concentric patterns are formed by a series of closed contours with decreasing values towards the center.
These patterns are commonly found in nature, such as the growth rings in trees or the ripples on the surface of water when a stone is thrown.
They can also be seen in man-made objects, like the rings on a target board or the layers of an onion.
Concentric patterns can be used in various fields, including art, design, and engineering.
They can create a sense of depth, symmetry, and visual interest in a composition.

Accepted Answer

Hilly areas

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