What Do We Need to Know in Order to Predict

question 33

Multiple Choice

What do we need to know in order to predict whether the expansion of the universe will continue forever?

• A)The curvature of space
• B)The age of the universe and the speed of light
• C)The lifetime of the proton and the distance to the Virgo cluster
• D)The temperature of the cosmic background radiation and the age of the universe

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Definitions:

External Cost

Costs that result from economic activities and are not reflected in market prices, often borne by a third party or society at large.

Mixed Economies

Economic systems that combine elements of both capitalism and socialism, featuring a blend of government intervention and private enterprise.

Marx

Karl Marx, a 19th-century philosopher and economist known for his ideas about capitalism and communism.

Capitalism

A system of economy where the means for producing goods and services are privately owned, with the goal of generating profit.