With additional pressure and time, subbituminous coal transforms into ____ coal

A) anthracite
B) subbituminous
C) lignite
D) bituminous


D

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The Confederacy's most effective commerce-raider was the

A. Monitor. B. Merrimack. C. Trent. D. Virginia. E. Alabama.

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Each milk producing center, described as a microscopic spherical structure, with

epithelial cells comprising its wall, and a hollow center (lumen), is termed the: A. follicle B. medulla C. alveolus

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Automatic control is a system where a process variable is forced to remain at a desired value called the controller output point

Indicate whether the statement is true or false

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What can be used to maintain the head pressure of a system with a water-cooled condenser?

A. fan cycling B. dampers or louvers C. water regulating valve D. all of the above

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