Multiplication builds on the principles of subtraction.
Answer the following statement true (T) or false (F)
False
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A PV panel sits 43 inches off the ground. What is this? distance in feet?
Fill in the blank(s) with the appropriate word(s).
Cows separated from their calves at birth are more easily integrated into the milking herd
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. All magnetism is essentially electromagnetic in origin. 2. Magnetism is the same force as the attraction and repulsion forces caused by static electrical charges. 3. Iron, nickel, cobalt, and some oxides and alloys are called ferromagnetic materials. 4. Alnico 7 is presently the most frequently used permanent magnet material. 5. When a wire is wound into the form of a coil, each turn of wire is surrounded by its own circular magnetic field.
A stepper motor changes the expansion valve opening in the _____
a. thermal-electric expansion valve b. electronically controlled expansion valve c. externally equalized expansion valve d. heat motor expansion valve