|
|
|
3
|
The time before writing was invented
|
|
5
|
A group of people with similiar incomes, ways of living and backgrounds
|
|
7
|
A society that has a central government, social classes and job specialization
|
|
9
|
The science or practice of managing the soil, producing crops and raising livestock
|
|
|
|
|
|
|
1
|
Services performed by workers for wages or profits
|
|
2
|
To adapt an animal or plant to life in association with and to the advantage of humans
|
|
4
|
Written accounts of human civilization
|
|
6
|
The movement from one country or region to settle in another
|
|
8
|
The amount that remains when use or need has been satisfied
|
|
10
|
The study of the Earth's surface and how it is shaped
|
|
|
|
