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Answers by Yanhong

Answers by Yanhong
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What would be the result if Earth's unique atmosphere did not exist?
answered Jan 13, 2018
4 votes
167k views
How does radioactive isotopes decay?
answered Oct 10, 2017
5 votes
37.6k views
What is 25 miles/hours equal to feet/seconds
answered Jan 7, 2017
2 votes
144k views
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