Written and other recorded events of people.
The period of time before writing was invented.
A scientist who examines objects to learn about past peoples and cultures.
Stories passed down by word of mouth.
the study of the earth's surface and the processes that shape it.
A period of time during which early humans made lasting tools and weapons mainly from stone; the earliest known period of human culture.
People who wander from place to place and have no settled home.
Rich in substances that plants need to grow.
Adapt wild plants and animals for human use.
Supplying land with water through a network of canals
More than is needed
A worker who is especially skilled at crafting items by hand.
A society with cities, a central government, job specialization and social classes.
A group of people with similar backgrounds, incomes and ways of living.