For which pharaoh was the famous step pyramid built?
The Pyramid of Djoser, or Step Pyramid is an archeological remain in the Saqqara necropolis, Egypt, northwest of the city of Memphis. It was built in the 27th century BC during the Third Dynasty for the burial of Pharaoh Djoser by his vizier, Imhotep.
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What was used as a unit of mass in the classical times?
a drop of lead
handful of sand