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Q: How many hearts do octopuses have? Octopuses have three hearts. Two of the hearts work exclusively to move blood beyond the animal’s gills, while the third keeps circulation flowing for the organs. Three Four Two One A: 1 Q: Octopuses have blue blood. Which element forms the basis of its blood that gives the blue…
Sci-Five | The Hindu Science Quiz: On Radioactivity 1 / 5 | Who is credited with the discovery of Radioactivity? Michael Faraday Marie Curie Henri Becquerel Pierre Curie The phenomenon of radioactivity was first reported in 1896 by Henri Becquerel for a uranium salt. In 1898, Marie Curie and her husband Pierre Curie discovered two…
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