41.Discovery of Specific Gravity View Answer Report DiscussAnswer: ARCHIMEDES Explanation:Currently no explanation available Improve this answer lets discuss in forum
42.Discovery of Solar System View Answer Report DiscussAnswer: COPERNICUS (1540) Explanation:Currently no explanation available Improve this answer lets discuss in forum
43.Who invented Diesel Oil Engine View Answer Report DiscussAnswer: RUDOLF DIESEL Explanation:Currently no explanation available Improve this answer lets discuss in forum
44.Who invented Deuterium (Heavy Water) View Answer Report DiscussAnswer: H.C.UREY Explanation:Currently no explanation available Improve this answer lets discuss in forum
45.Who invented Dynamite View Answer Report DiscussAnswer: ALFRED NOBEL Explanation:Currently no explanation available Improve this answer lets discuss in forum
