Why did Old Kingdom
pharaohs build pyramids?

The ancient Egyptians built pyramids as tombs for the pharaohs and their queens. The pharaohs were buried in pyramids of many different shapes and sizes from before the beginning of the Old Kingdom to the end of the Middle Kingdom.The most well-known of these pyramids was built for the pharaoh Khufu.

Explanation:

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of what agreement it does not show

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.