Nitrogen-fixing bacteria take nitrogen from the air and convert it to a usable form for the plant
Indicate whether the statement is true or false
T
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To test the air service brakes
A. Brake firmly while slowly moving forward
B. Brake softly while slowly moving forward
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Determine what type of filter is in Fig. 14.87. Calculate the corner frequency fc.
 figure 1.png)
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Automatic expansion valves are good at maintaining a constant:
A) Temperature. B) Viscosity. C) Density. D) Flow.
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An electrical drawing?s title block includes the _____
a. address of the project b. start date c. symbols list d. name of the general contractor
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