After Asia, which is the largest continent of the world, Africa comes second in terms of land area and also by population. Africa has a land area of about 11,724,000 square miles (30,365,000 square km), which accounts for about one-fifth of the total land area on earth. Africa is also the second largest continent on earth by population size, with an estimated total human population of approximately 1.3 billion people.
Africa is nicknamed "mother continent" as it is said to have been where man have first lived in and originated from, according to archaeological discoveries and facts which dates back to more than 2 million years ago.
Africa by land area, is the second largest continent.
It covers a land area of about 11,608,000 square miles. <em>This is next to Asia in land area, which covers a land area of 17,212,000 square miles.</em>
Based on historical and archaeological evidence, humans have lived in Africa for more than 5 million years. This earned Africa the name "Mother Continent".
The first hominins <em>(primates which can be considered as directly ancestral to humans )</em> in Africa emerged about 6-7 million years ago, and among the earliest anatomically modern human skulls found so far were discovered at Ethiopia
<span>When magma reaches the surface through a volcano, it is called lava. When lava cools, it forms extrusive igneous rock. The process by which rocks are worn down by wind and water, creating sediment.</span>
