WORLD HISTORY

Detailed explanation-1: -The principal topographical features of the Sahara include shallow, seasonally inundated basins (chotts and dayas) and large oasis depressions; extensive gravel-covered plains (serirs or regs); rock-strewn plateaus (hammadas); abrupt mountains; and sand sheets, dunes, and sand seas (ergs).

Detailed explanation-2: -Africa has the worlds largest desert, the Sahara which had a highway for migration and trade, and because the ever expanding desert forced people to migrate. As migration occurred, their skills spread into Southern Africa. Africa was home to gold, salt, and copper. All these useful items were used for trading.

Detailed explanation-3: -Tropical and Subtropical Tropical regions are often between 10 degrees north and 10 degrees south, while subtropical regions are often just north or just south of the tropic regions, up to 40 degrees north or south.

Detailed explanation-4: -The geography of Africa helped to shape the history and development of the culture and civilizations of Ancient Africa. The geography impacted where people could live, important trade resources such as gold and salt, and trade routes that helped different civilizations to interact and develop.

Detailed explanation-5: -What are the main physical features of Africa? The dominant physical features of Africa are the Nile River, Mount Kilimanjaro, Victoria Falls, Lake Victoria, and the Sahara Desert. The Nile River is the longest river on the planet. The highest mountain peak in Africa is Mount Kilimanjaro.