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What is 1 + 3?
a building material made of clay baked in the sun
mixture of crushed stone or gravel, send, cement, and water
changed into a different form or used in a different way
traditions, skills, and so no, handed down from one generation to the next
devices that give shape to something; molds
system of supplying land with water by using ditches
a native american village of homes grouped together to form a single building