Matter is defined as:
A) Physical objects that can be seen.
B) Physical objects that emit energy.
C) Anything that has weight, can be seen, and emits energy.
D) Anything that has mass and takes up space.
D
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La cuchilla de una sierra circular diseñada para cortar madera contrachapada debe tener dientes _____.
a. grandes similares a tijeras b. grandes y con una amplia separación entre sí c. pequeños similares a tijeras d. pequeños y con una amplia separación entre sí
____-party evaluations are prepared by organizations that are fully independent from the manufacturers.
A. First B. Second C. Third D. Neutral
Which section of a horizontal cable duct is used for signal and control cables?
a. Lower. b. Upper. c. Right. d. Left.
The nominal size of 5/8" O.D. copper pipe is ____.
A. 1/2" B. 3/4" C. 5/8" D. 7/8"