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Television news is a modern source and cannot provide direct evidence about ancient civilisations.
Farming encouraged people to settle permanently near fertile land.
Agriculture began first, followed by pottery and later the use of copper.
45 + 20 − 1 = 64 years because there is no Year Zero.
Fire enabled cooking, warmth and protection from dangerous animals.
The 22nd century begins in the year 2101 CE.
Different layers belong to different periods and help reconstruct chronological history.
Exchange of goods encouraged communication, trade and the growth of towns.
Archaeologists study the past through excavated remains such as tools, pottery and buildings.
The difference is 175 + 175 − 1 = 349 years because there is no Year Zero.
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