In the 15th century, Portuguese explorer Prince Henry, also know as the <em>Navigator</em>, was the first known European to explore Africa, therefore your answer is B.
Ultraviolet light, Infrared light and Gamma Rays are the three main ones
The correct answer among the choices listed is option B. Amerigo Vespucci is the one who explored enough South America to deem it a new continent. He was an Italian, explorer and navigator who demonstrated that Brazil and the West indies is not included in the Asia's eastern outskirts.
