One type of freestanding, self-supporting wall designed to hold back earth, water, or other material, ____ are very heavy, poured-in-place concrete walls usually restricted to applications requiring less than six feet of height.
A. security walls
B. shear walls
C. cantilever walls
D. gravity walls
Answer: D
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The negative side of an electrode arc is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
The wearing away of soil by wind or water is called ____________________
Fill in the blank(s) with correct word
The way an animal has matured as indicated by bone characteristics, cartilage ossification, and color and texture of the rib eye muscle is known as ____________________ age.
Fill in the blank(s) with the appropriate word(s).
In early 1945, the United States was extremely eager to secure the Soviet Union's participation in the projected invasion of Japan because
A. the Soviets would become so engaged in East Asia that they would not expand further into central Europe. B. without Soviet help, the Japanese could not be defeated. C. American casualties were expected to be high if only Americans were involved. D. Roosevelt believed that Stalin's involvement in Japan could help to control the communists in China. E. Roosevelt did not want Stalin to become aware of the atomic bomb secret.