Domestication of Animals
Asking a multiple choice question without providing the choices doesn't really seem fair.
He didn't because he was dead by the time the industrial revolution happened.
the unfortuates
The biggest factor is probably genetics as there don't seem to be any obvious things that you can do to alter its length.
Hair is biotic factor because even though it may seem dead it is still a living factor on your body.
inevitable
The cause of RA is not yet understood however there does seem to be a genetic factor involved.
A change of diet can help you if you think your migraines are triggered by diet. Keep a food journal and see what foods seem to trigger the flares and eliminate them from diet.
Asking a multiple choice question without providing the choices doesn't really seem fair.
We really do not have records of the formations of the earliest formal governments, but they seem to have appeared some time around the beginning of the Bronze Age. They could have been Neolithic, but we do not know.
The rich got richer and the poor got poorer. That social barrier seem to remain a constant.
Asking a multiple choice question without providing the choices doesn't really seem fair.