| A | B |
| climate | weather |
| environment | surroundings, conditions around an animal or plant |
| arid | dry |
| nomads | wanderers, people who move from place to place to find water and food |
| region | area, section |
| irrigate | provide plants with water from another place |
| tribe | group of people who are related, speak the same language, have the same customs |
| theory | an idea taht tries to explain something |
| peoples | the group of people who have the same way of life |
| dwelling | where people live |
| game | animal that people hunt for food |
| customs | special way that a group of people does things |
| campsite | place to set up a shelter where people can live for a short time |