Which of the Following Is the Best Answer to the Question

question 95

Multiple Choice

Which of the following is the best answer to the question, "Why does the Sun shine?"

• A)As the Sun was forming, gravitational contraction increased the Sun's temperature until the core became hot enough for nuclear fusion, which ever since has generated the heat that makes the Sun shine.
• B)The Sun initially began generating energy through nuclear fusion as it formed, but today it generates energy primarily through the sunspot cycle.
• C)As the Sun was forming, nuclear fusion reactions in the shrinking clouds of gas slowly became stronger and stronger, until the Sun reached its current luminosity.
• D)The Sun initially began making energy through chemical reactions. These heated the interior enough to allow gravitational contraction and nuclear fusion to occur.

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Definitions:

New England Colonists

Early European settlers in the northeastern part of the United States, particularly noted for their role in establishing some of the first successful British colonies.

England

A country that is part of the United Kingdom, situated on the island of Great Britain.

King Philip's War

A conflict between American Indian inhabitants of New England and English colonists and their allies in 1675–78, one of the bloodiest wars per capita in U.S. history.

Puritan Society

A society influenced by Puritans, who were English Protestants in the 16th and 17th centuries, emphasizing strict religious discipline and a simple, morally stringent lifestyle.