Adobe is a building material produced from earth and organic materials. It is the structure which is made of the sun-dried mud bricks.
Adobe is a structuring material which is produced from earth and organic matters, adobe is Spanish for mud brick. It is a kind of mud employed as a building material, typically in the form of sun-dried bricks.
Adobe was one of the eldest materials which was used by ancient humans to create buildings, associating as far back as the 8th century B.C.
The word “adobe” is Spanish, but lexicographers analyze its roots to an old Arabic word.
Example:
The residences of the Pueblo Indians in the Southwest, Unites States are an illustration of homes built with adobe bricks.
Therefore, option b is correct.
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