The Spacecraft That Landed on Mars Found

question 45

Multiple Choice

The spacecraft that landed on Mars found

• A)signs of life.
• B)liquid water.
• C)a dense atmosphere.
• D)lava flows.

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Definitions:

Shortage

A situation in which demand for a good or service exceeds its supply in a market.

Demand And Supply

Economic model describing the interaction between the desire of consumers to buy goods at certain prices and the quantity of goods that producers are willing to sell at those prices.

Factors Of Production

Four basic inputs for effective operation: land, labor, capital, and entrepreneurship.

Overall Supply

The total amount of a product or service available in a market at any given time.