Answer:
B
Explanation:
i honestly havent done this in a while so if this isnt the right answer i apologize
D- postmortem
I think thats the answer..
Cob has been used since the 17th century as a building material. It is made by mixing dry sand, sifted clay and water. A cob house is a house that is made from this material. A benefit of using this material, is that it is sustainable and only uses natural products.
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