WORLD HISTORY

Detailed explanation-1: -The early humans migrated to all the continents except Antarctica, which was too cold for human habitation. They migrated due to their nomadic life and also to escape the harsh weather conditions of the Ice Age. They migrated to be able to get access to newer places and for more food.

Detailed explanation-2: -As the gaps are filled, the story is likely to change, but in broad outline, today’s scientists believe that from their beginnings in Africa, the modern humans went first to Asia between 80, 000 and 60, 000 years ago. By 45, 000 years ago, or possibly earlier, they had settled Indonesia, Papua New Guinea and Australia.

Detailed explanation-3: -The early humans were always on the move because they had no means to grow food and needed to search for food, water and shelter. They were nomads and had to hunt wild animals and gather fruits, nuts and seeds in order to survive.

Detailed explanation-4: -1. Introduction. Fire is universally accepted as important to human life, with myriad expressions and uses in the modern world [1–7]. It was regarded by Darwin as the greatest discovery made by humanity, excepting only language [8].

Detailed explanation-5: -According to the theory, according to the osmosis phenomenon, humans migrate from countries with less migration pressure to countries with high migration pressure.