To refer to a single element of a hash, you use the $ character before the variable name, followed by the key associated with the value in ____.
A. parentheses
B. curly brackets
C. square brackets
D. angle brackets
Answer: B
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_______________ _______________ occurs when there is high impeller speed and low turbine speed.?
Fill in the blank(s) with the appropriate word(s).
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The sending unit in a typical fuel gauge uses which of these devices?
A) Zener diode B) Diaphragm C) Float D) Fixed resistor
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In order for combustion to occur, there must be _____
a. fuel, CO2, and ignition b. radiation, conduction, and convection c. fuel, oxygen, and aldehyde d. fuel, heat, and oxygen
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The production of portland cement involves only one simple process.
Answer the following statement true (T) or false (F)
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