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1. How has the nature of archaeological evidence changed over time?
2. How do archaeological and scientific techniques contribute to the discovery and investigation of the ancient past?
3. What are the strengths and limitations of archaeological sources for reconstructing the ancient past?
4. What are the strengths and limitations of ancient texts, inscriptions and iconography for reconstructing the ancient past?

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Hypotheses
Bias
Perspectives
Artefacts
Ecofacts
Context
Propaganda
Historiography
Stratigraphy
Midden
Geophysics
Relative Dating
Absolute Dating
Ethnographic
Gylphic 'writing'
Symbology
Epigraphy
Numismatic
Iconography
Authentication
Provenance
Repatriation

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Digging in the sand, sitting with natives, or diving to the bottom of the sea are necessary in different types of archaeology. Past cultures and civilisations are examined using a variety of approaches.