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Physics, 27.10.2019 21:43 emily9656

Which of the following best represents the speed of halley's comet when it is nearest to earth?
a.1 × 10^-5 kilometers per year
b.1 × 10^5 kilometers per year
c.1 × 10^-5 kilometers per hour
d.1 × 10^5 kilometers per hour

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