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Kolleru Lake is one of the largest freshwater lakes in India and forms the largest shallow freshwater lake in Asia. 15 kilometers away from Eluru and 65 …
Cornelis Drebbel’s invention, built of wood and greased leather and propelled by oars, was the first of which type of boat?
A:
Cornelis Drebbel, a Dutch inventor, is usually credited with building the first submarine. Between 1620 and 1624 he successfully maneuvered his craft at depths of 4 to 5...