Question

Define these:
Nomads: ?
Hunter Gatherers: ?
Neolithic Revolution: ?
Domestication: ?

How do scientists study human life that existed before written records (before 5,000 years ago)

Answer 1

Will fan and metal! Thank you!

Answer 2

No Need for fan.

Nomad: A person who does not stay long in the same place; a wanderer.

Hunter Gatherer: A member of a nomadic people who live chiefly by hunting, fishing, and harvesting wild food.

Neolithic Revolution: It was the transition from nomadic hunting and gathering to agriculture and settlement/Farming.

Domestication: to convert (animals, plants, etc.) to domestic uses; tame. to tame (an animal), especially by generations of breeding, to live in close association with human beings as a pet or work animal and usually creating a dependency so that the animal loses its ability to live in the wild. ~ Source Wikipedia & Dictionary.

(Open ended question.)
They do it by the way they find their possessions and possibly notes or by the way tribes have broken off of them and how they act.