Geography, 26.07.2019 06:30 bhaven2005
13. discovered that there were other galaxies besides the milky way. a. edwin hubble b. albert einstein c. sir isaac newton d. galileo galilei
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Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before
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Geography, 23.06.2019 15:00, electrofy456
Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market
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13. discovered that there were other galaxies besides the milky way. a. edwin hubble b. albert eins...
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