Question and answer
Which of the following statements about planetary motion is false? A. Each planet would move in a straight line without the Sun's gravitational pull. B. Each planet has a period of revolution
and a period of rotation. C. Each planet moves in a circular orbit around the Sun. D. A planet's speed changes as it orbits the Sun.
D. A planet's speed changes as it orbits the Sun.
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User: Which of the following statements about planetary motion is false? A. Each planet would move in a straight line without the Sun's gravitational pull. B. Each planet has a period of revolution and a period of rotation. C. Each planet moves in a circular orbit around the Sun. D. A planet's speed changes as it orbits the Sun.

Weegy: D. A planet's speed changes as it orbits the Sun.
Expert answered|imnamra|Points 10|

User: Which of the following is not part of the Big Bang theory? A. Gravity pulled stars into galaxies. B. As the universe expands, galaxies move toward one another. C. In the beginning the universe was too hot for atoms to exist. D. The universe is continuously expanding.

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Asked 10/9/2013 11:47:31 AM
Updated 10/9/2013 8:18:46 PM
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Added 10/9/2013 8:18:46 PM
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Fire emits the most radiation.

Added 112 days ago|8/3/2014 4:40:14 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [9/1/2014 6:17:34 AM]
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The number of valence electrons in an atom can often be quickly determined by referencing A. the atomic number of the element. B. the period number on the periodic table. C. the group number on the periodic table. D. the atomic mass of the element.
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