| A | B |
|---|
| agriculture | business of growing crops and raising animals |
| coal | rock that gives off heat when burned |
| industry | businesses that make 1 kind of goods or offer 1 kind of service |
| labor union | group who push for better working conditions |
| mouth | place where river empties into another large body of water |
| port | place where ships load and unload goods |
| river basin | land drained by a river and its tributaries |
| source | starting point of a river |
| technology | use of skills,ideas,and tools to meet people's needs |
| wetland | swamp or marsh |
