What Percentage of Drylands Is Subject to Some Form of Severe

question 6

Multiple Choice

What percentage of drylands is subject to some form of severe land degradation?

• A)between 10 and 20%
• B)between 20 and 30%
• C)between 30 and 40%
• D)between 50 and 60%

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Definitions:

Binocular Disparity

The difference in image location of an object seen by the left and right eyes, resulting from the eyes’ horizontal separation and providing a basis for depth perception.

Perceptual Hypotheses

Assumptions made by the brain in order to interpret sensory information and perceive the environment.

Psychology

The scientific study of the mind and behavior, encompassing a variety of fields including cognitive, biological, and social aspects.

Empirical

Is grounded on, revolves around, or can be authenticated by experiencing or witnessing phenomena directly, rather than by theoretical inference or logical suppositions.