Fire and Early Man

The definition of fire is the active principle of burning, characterized by the heat and light of combustion; And cultivating it was perhaps one of the biggest technological leaps humans ever surpassed. Fire affected the ancient man in many ways through cause and effect, and every effect created a cause, which resulted in another effect. It allowed the food to be germ-free because it was cooked and since it was cooked it was more digestible …showed first 75 words of 773 total…

…showed last 75 words of 773 total…