why should you know
Chewed It
they chewed it like we do now.... please use your brain people
Natural wear and tear I would think. Before the time of tools such as scissors everything was done with the hands and this caused the finger nails to wear down and essentially take care of themselves. ---Rob
It had no single inventor, it was independently invented in many countries by different groups of people.
They didn't. You can't use something BEFORE it is invented.
benches
Crawling
pickaxes
bikes
Buttons.
Shoelaces were invented long before people bothered to keep records of such things.
Before the refrigerator was invented, people used iceboxes, which were essentially big coolers with a block of ice. Even before that, food was preserved by salting, curing, smoking, drying, and canning.