Patterns of Specialization and Trade Are Explained By

question 182

Multiple Choice

Patterns of specialization and trade are explained by:

• A) the principle of comparative advantage.
• B) the principle of absolute advantage.
• C) people's productivity.
• D) government control and regulation.

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Definitions:

Photoreceptor Cells

Cells in the retina that convert light into electrical signals, enabling vision by transmitting these signals to the brain.

Ganglionic Layer

A layer of the retina that contains the cell bodies of ganglion cells and is a critical part of the visual pathway.

Choroid Layer

A layer of the eye between the retina and the sclera that contains blood vessels and provides oxygen and nutrients to the eye.

Pigment Cell Layer

A layer of cells that contain pigment, such as the melanin-containing cells found in the skin or the iris of the eye, which provide coloration and protection from UV light.