Answer:
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Explanation:
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Answer:
Historically, buttresses have been used to strengthen large walls or buildings such as churches. Flying buttresses consist of an inclined beam carried on a half arch that projects from the walls of a structure to a pier which supports the weight and horizontal thrust of a roof, dome or vault.
Explanation:
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False. The Mona Lisa was painted by Leonardo da Vinci c. 1503–06.
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