The most commonly used strength of concrete for the slab-on-ground in concrete tilt-up wall buildings is _______.
A) 6,000 psi.
B) 5,000 psi.
C) 4,000 psi.
D) 3,000 psi.
E) 2,000 psi.
C) 4,000 psi.
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Three-dimensional spatial skills are acquired during the ____________________ stage of development of spatial skills.
Fill in the blank(s) with the appropriate word(s).
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The United States produces about _____ of the world's wheat
A) 12% B) 25% C) 32% D) 51%
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If equals are added to equals, the sums are equal.
Answer the following statement true (T) or false (F)
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Horizontal-circle scales on a transit that are marked from 0 to 360 degrees are usually numbered each _____
a. 5 degrees b. 10 degrees c. 45 degrees d. 60 degrees
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