The Figure Given Below Represents an Economy Producing Corn and Planes

question 81

Multiple Choice

The figure given below represents an economy producing corn and planes under different economic situations.Figure 2.2

-Which of the following would not cause any kind of an outward shift of a nation's production possibilities curve [PPC]?

• A)An improvement in the general level of education
• B)Technological innovation
• C)Discovery of a new source of energy
• D)An increase in the size of the labor force
• E)A flood that renders thousands of acres of farmland unusable

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Definitions:

Antigen

Substance that induces a state of sensitivity or resistance to infection or toxic substances after a latent period; substance that stimulates the specific immune system; also called epitope.

Plasma Cells

Specialized white blood cells that produce antibodies in response to infections.

Cytotoxic T cells

A type of immune cell capable of killing cancer cells, infected cells, and other cells that are deemed a threat to the organism.

Antibodies

Proteins produced by the immune system that recognize and bind to specific antigens to help protect the body from infection.