What is the most abundant element on earth?

A) Nitrogen B) Oxygen C) Water D) Hydrogen


D

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A(n) ____ is sketched by laying out a rectangle with sides equal to the major and minor axes of it.

A. square B. ellipse C. triangle D. parallelogram

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A deep vacuum involves reducing the pressure in a refrigeration system to a micron gauge reading of ____________________ or below.

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

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Why is a well-thought-out strategic plan critical to the success of a company?

What will be an ideal response?

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What pressure units are used on the enthalpy diagram?

A) Psig B) Psia C) Pascals D) Bars

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