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.
True.
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To prevent destruction the event of a short circuit, protective devices (fuses or circuit breakers) must have an interrupting capacity conforming to which of the following?
A) 1.5 × the calculated short circuit current. B) 30 times the rated ampacity of the device. C) Greater than the calculated short circuit current.
Through selective breeding, humans have developed breeds of dogs for specific purposes. Dogs are easiest to train when the training is relevant to the job for which the breed was developed
A. True B. False
Which of the following animals is an example of an omnivore?
A. Sheep B. Cow C. Pig D. Horse
The melting point of solid materials:
A) Is 212°F. B) Is 100°C. C) Is the change of state of a substance from a solid to a liquid at a given pressure and temperature when heat is added. D) Never considers pressures or temperatures.