Answer:
Why humans left their African homeland 80000 years ago to colonize the world. When the migration was complete, Homo sapiens was the last—and When the study of human origins intensified in the 20th century, two main theories emerged to explain the archaeological explanation. Blombos Cave held signs of early human creativity. The currently favored theory is that humans migrated via the Bering land bridge along the western Pacific coastline at a time when sea levels were lower, exposing an ice-free coastline for travel with the possibility for transport over water. Ancient scroll from SAPIENS. In a study published today in Nature, researchers report that dramatic climate fluctuations created favorable environmental conditions that triggered periodic waves of human migration out of Africa every 20,000 years or so, beginning just over 100,000 years ago.
Explanation:
it's mountains and plains and hills
Actually no one received the electric shocks, an actor pretended to receive them while the subject who was participating in the study followed the instructions and believed that he was giving the electric shocks. This study measured the level of obedience that a person can develop when faced with an authority figure that gives him orders.
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Society needs to make choices about what should be produced, how should those same goods and services be produced
Battle of Somme - 800 thousand French and 540 thousand German soldiers (total: 1 million 340 thousand)
At the battle of Verdun - 150 thousand French and 150 thousand German soldiers (Approximately, total of 300 thousand)
Battle of Ypres: 100 000 French and 10 000 German casualties.
Total for all battles: 1 million and 700 thousand
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