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The heliocentric theory was devised by _____. Leonardo da Vinci Nicolaus Copernicus Galileo Johannes Kepler
asked
Nov 10, 2017
History
high-school
1
answer
4
votes
187k
views
container A has 200 l of water and is being filled at a rate of 6liters per minute container B has 500 L of water and is being drained at 6liters per minute how many minutes will it take for the two containers
asked
Jan 14, 2017
Mathematics
middle-school
1
answer
5
votes
211k
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