Wire in electrical engineering is a flexible metallic conductor. What metal is wire usually made of?

A. Aluminum
B. Gold
C. Copper
D. Silver


C

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The addition of a resilient floor covering, such as vinyl tiles, improves the structures-borne sound insulation of a wood joist floor. Will the vinyl tiles also improve the airborne sound insulation of a floor?

What will be an ideal response?

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¿Cuál de los siguientes no es uno de los seis instrumentos esenciales al iniciar el trabajo?

a. Cuchillo. b. Estuche de herramientas. c. Tijeras. d. Perforadora para chapa awl (punzón).

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Poured-in-place concrete differs from ____ that is poured into forms at a manufacturing plant and then shipped to the jobsite and erected in piece.

A. precast concrete B. molded concrete C. ready-made concrete D. prefabricated concrete

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The sperm fertilizes the egg in the ____________________ disk, and the embryo begins to develop.

Fill in the blank(s) with the appropriate word(s).

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