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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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Original conversation
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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To add credibility to your answer, always provide a link, if available, to a source that confirms its accuracy.

Please take some time to review the rules.
Added 10/9/2013 8:18:46 PM
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Which one of the following SI base units is not matched to the correct unit of measurement? A. Mass: kg B. Temperature: K C. Time: s D. Length: km
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1 Answer/Comment
Length: km is an SI base unit not matched to the correct unit of measurement.
Added 363 days ago|7/29/2015 6:27:21 AM
This answer has been confirmed as correct, not copied, and helpful.
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1 Answer/Comment
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Added 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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