Answer:
1. Places and regions
2. World in spatial terms
3. Environment and society
4. Physical systems
5. Human systems
6. Uses of geography
Step-by-step explanation:
Six essential elements which can be used by archaeologist in his job are the Places and regions, World in spatial terms, Environment and society, Physical systems, Human systems, and Uses of geography. without knowing these elements, the archaeologist did not done their work properly. these six elements are the keys to know about ancient cultures and civilizations.