1. Why is 250 million years called a cosmic year?
A: That's the amount of time it takes the solar system to revolve around the Milky way core.
B: That's the amount of time it takes the solar system to rotate on its axis.
C: That's the amount of time it takes the Milky Way to rotate on its axis.
D: That's the amount of time it takes the Milky Way to revolve around the Universe core.
Answers: 3
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Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above
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Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur
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If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.
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1. Why is 250 million years called a cosmic year?
A: That's the amount of time it takes the solar s...
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