Answer it please... :-)
1. What would have been the life of human beings without fire, wheel and iron?
Answers
Explanation:
Normal. They would get along fine because nature wouldn't have pressurized them to discover fire or manufacture iron or the wheel.
Nature put a presurre on those humans who did not use fire coz they would have got eaten by some cat or doggo or worse, bitten by an insect. Worst they would have frozen to cold.
Similarly, The humans who did not use wheel or iron would have been killed by humans who did have metal spears and swords and came galloping on horse charriots.
The ones who may have survived would have been slowly reduced to extinction because you need a minimum viable population to keep the gene pool healthy and fit.
This is what happened with bonobos chimps and orangutans. We all shared the same mummy daddy back into 10 million years from now. Just that some of their children developed bipedality and fire and diverged genetically from the great apes.
There are people (tribes) who have survived without wheel and metal because they live insular lives. However they know to control and manipulate and create a fire. Its trivial almost, you can use crystals or dry leaves and sticks to start one.
There are about 150 tribes living like this in different parts of the world.
Modern Humans are defined by their use of technology. All the hominids have opposable thumbs but they don't have a language.
We are not defined by language but by imagination. Language is difficult to conceptualise. It is our imagination and brain power that ushered in a secondary force of evolution, memes on top of existing genes that has enabled us to take exponential leaps in our evolution.