According to Our Present Theory of Solar System Formation, How

question 69

Multiple Choice

According to our present theory of solar system formation, how did Earth end up with enough water to make oceans?

• A) The water was brought to the forming Earth by planetesimals that accreted beyond the orbit of Mars.
• B) The water was brought to the forming Earth by planetesimals that accreted near Earth's orbit.
• C) The water was formed by chemical reactions among the minerals in the Earth's core.
• D) Earth formed at a distance from the Sun at which liquid water happened to be plentiful in the solar nebula.

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Definitions:

Southern Strategy

A Republican Party electoral strategy to increase political support among white voters in the South by appealing to racism against African Americans.

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The 37th President of the United States, serving from 1969 to 1974, known for ending American involvement in Vietnam and for his resignation following the Watergate scandal.

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A war between citizens of the same country, often characterized by intense, internal conflict over political, social, or economic issues.

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