The Observations That Show That the Expansion of the Universe

question 57

Multiple Choice

The observations that show that the expansion of the universe is speeding up tell us the universe must contain:

• A) gravity
• B) dark matter
• C) a force opposing gravity
• D) black holes
• E) cosmic microwave background radiation

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Definitions:

Private Producer

An individual or company that produces goods or services in a market economy without direct government intervention.

Market Economy

An economic system where prices and production are determined by unrestricted competition between privately owned businesses.

Market Economies

Economic systems in which decisions regarding investment, production, and distribution are guided by the price signals created by the forces of supply and demand.

Government Involvement

The participation or intervention of governmental bodies in certain areas of the economy, typically to correct market failures or to achieve certain social goals.