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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Answer:
I think the answer will be <em><u>D. none of them!!!</u></em>
Explanation:
<em><u>Hope this helps and I hope ur okay cause the way u asked the question was like sad!! so I hope that ur doin' fine!!</u></em>
Answer:
It is a good way to protect your artwork.
It was initially part of the frame and mat of wood.
During the renaissance, it was made out of paper.
At the beginning of the 19th century, cardboard was invented. Later on, mats for artwork were mass produced out of cardboard.
Nowadays, there is a digital mat that can be used by professional designers.
Explanation:
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