8000 years ago, we had no records. One of the first cities (Jericho) was being built, people were learning to farm and make pottery, but did not yet know how to work metals. Humans pretty much sounded like they do today, but spoke other languages.
Because it is a long tradition (8000 years).
my dad played for 25 years his preferred stick is the gx 8000 he has used grays for 20 years
about 1 thousand years
it makes us communicate.
Humans use sound as a form of communication, to convey information, express emotions, and alert to potential dangers. Sound is important for language development, music enjoyment, and environmental awareness. Our ears receive sound waves, which are then processed by the brain to make sense of the auditory input.
There have been humans in the Patagonian Desert for thousands of years. Today it is used by a number of sheep ranchers.
The Archaic Indians wore the skin from animals that had been cleaned and sewed and they used straw for clothing also.
The first renewable energy source used by humans was likely wood, as it was used for heating and cooking thousands of years ago.
2.3million years ago
Over 8000 tons of it are used!
The loudness of sound is also known as the sound intensity, which refers to the measure of the energy carried by sound waves. It is perceived by humans as how loud or soft a sound is. The unit used to measure sound intensity is decibels (dB).
It was said on the history channel that uranium mines exist in Libya that were used 8000 years ago as uranium mines. Unfortunately, as it is so often the case on the history channel, there was no footnote to recognized academic authority for this proposition. And it was, after all, in one of the Shows about so-called "ancient aliens."