Which of the following continents is also known by the name 'The Dark Continent'?

Africa : It is also known as the black continent. • It is the second-largest continent and has the highest number (54) of countries. • Algeria is the largest country by area in this continent. • The largest desert, The Sahara desert is located in this continent. Namib desert, Kalahari desert, and Chech desert are the other deserts. Lake Victoria is the largest lake in Africa and is also the reservoir of the river Nile. • Nile, Congo, and Niger are the major rivers of this continent. • The Savanna grasslands are found in this continent.