Mound Builders built those, but you can find pyramids made by the indigenous people of America all across both the Americas.
The Hellenistic Age came to an end around the time when the Roman Empire began to emerge, but historians differ on the more precise timeframe since there were many different factors involved.
The first mask was made in 7000 BC. It was used primarily for rituals and ceremonies and where typically made of leather or wood. Keep in mind, these where the first masks that our modern generation has been able to find and preserve, masks could have been made earlier than this but detirriorated over time.
However, the first modern surgical masks where made in the early 1960s and replaced a more primitive method of cloth masks.
I hope I have helped! :)
Answer:
Today, the Kaaba is a cubical structure, unlike almost any other religious structure. It is fifteen meters tall and ten and a half meters on each side; its corners roughly align with the cardinal directions. The door of the Kaaba is now made of solid gold; it was added in 1982
Explanation:
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