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The Grand Ethiopian Renaissance Dam, formerly known as the Millennium Dam and sometimes referred to as the Hidase Dam, is a gravity dam on the Blue …
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...
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