Early man used various objects such as stones, knotted ropes, notches on sticks, and shells to keep track of quantities. These objects were manipulated or moved as each item was counted, helping early humans with basic arithmetic calculations and recording transactions.
Early man used stone weapons and eventually learned to use copper, tin and brass.
By foot
Man has often used religion to explain things he cannot understand. His understanding of the environment is usually no different.
You get the other two things.
Early man used fire tro drive away animals to cook and for light
Early man satisfied his needs from his environment by hunting animals for food, gathering fruits and plants for sustenance, and using natural materials like rocks and wood for tools and shelter. They adapted to their surroundings, learning how to survive and thrive by utilizing the resources available to them.
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they used calculators
Early humans used tools made from materials such as stone, wood, and bone. Some common tools included hand axes, scrapers, and spears. These tools were used for tasks such as hunting, cutting, and scraping.
Early man used natural sources such as animals,plants,coal and firewood.
It was first used in 3000B.C. When early man learned to separate silver from lead.