____ floors are a green building technology that combines the mixture of sand, clay soil, and fibers that are poured in place and sealed with linseed oils and waxes to make durable washable surfaces.
A. Natural
B. Stone
C. Composite
D. Earthen
Answer: D
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Crossing long wool breeds with _____ developed most crossbreeds
a. meat-producing breeds c. fur sheep breeds b. carpet wool breeds d. fine wool breeds
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On a negative-going pulse, the leading edge is the ________
A) rising edge B) negative-going edge C) positive-going edge D) LOW-to-HIGH transition
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Beam form bottoms made from plywood should be supported by 2 × 4 members and use plywood with a minimum thickness of _____.
a. 3/8" b. 1/2" c. 3/4" d. 1"
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The health and environmental concerns caused by the breakdown of the ozone layer include:
A. Increase in skin cancers B. Suppression of the human immune response system C. Increase in cataracts D. All of the above are correct
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