| A | B |
|---|
| prehistory | long period of time before people developed writing systems |
| archeology | study of past cultures through artifacts |
| artifact | an object made by people long ago |
| migrate | to move from one area to another |
| glacier | a huge sheet of ice covering a great stretch of land |
| technology | way in which humans produce the items they use |
| domesticate | to tame wild animals or plants |
| harvest | to gather |
| surplus | extra supply |
| nomad | a person who travels from place to place |
| climate | an areas average weather over a long period of time |
| carbon dating | method used to estimate the age of living things after they have died |
| culture | technology, customs, beliefs and art of a group of people |
| landform | a surface feature such as a valley |
| geography | the study of the relatioship between physical features, climate, and people |
