What Percentage of the World's Population Subsists on Incomes of Less

question 92

Multiple Choice

What percentage of the world's population subsists on incomes of less than $2 a day?

• A) 33 percent.
• B) 50 percent.
• C) 60 percent.
• D) 70 percent.

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Definitions:

Top-Down Processing

A cognitive process that starts with the brain applying what it knows and expects to perceive and interpret new information.

The Fovea

A tiny pit located in the macula of the retina that provides the clearest vision of all; it's responsible for sharp central vision.

The Retina

A layer at the back of the eye that contains cells sensitive to light and triggers nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.

Optic Nerve

The structure at the back of the eye, made up of axons of the ganglion cells, that carries visual information to the brain for further processing.