The Flatness Problem and the Horizon Problem Can Be Explained

question 71

Multiple Choice

The flatness problem and the horizon problem can be explained by ____.

• A) dark energy
• B) the inflationary universe hypothesis
• C) grand unified theories
• D) the electroweak force
• E) non-baryonic matter

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Definitions:

Self-sufficient Economy

An economy that relies on its own production of goods and services, minimizing dependence on external supplies and trade.

European Union

A political and economic union of 27 European countries that are located primarily in Europe, aimed at promoting integration and economic cooperation among its members.

Free Trade Association

A group of countries that have agreed to eliminate tariffs, quotas, and preferences on most (if not all) goods and services traded between them.

EURO

The official currency of the Eurozone, which is used by 19 of the 27 European Union countries.