Who was the Swedish botanist credited with developing the system of binomial nomenclature?

a. Charles Darwin c. Louis Pasteur
b. Robert Hook d. Carolus Linnaeus


D

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A narrow streak canal and strong sphincter muscle make a cow harder to milk

Indicate whether the statement is true or false.

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Wildlife has a/an _____ value, which makes it hard to put a price on it

a. vital b. aesthetic c. management d. economic

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In time-temperature defrost controls, the temperature that actuates the control is the temperature of the ____________________.

Fill in the blank(s) with the appropriate word(s).

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For the circuit shown in Figure P18.10:

a. Determine the reluctance values and show the magnetic circuit, assuming that ? = 3,000?0.
b. Determine the inductance of the device.
c. The inductance of the device can be modified by cutting an air gap in the magnetic structure. If a gap of 0.1 mm is cut in the arm of length l3, what is the new value of inductance?
d. As the gap is increased in size (length), what is the limiting value of inductance? Neglect leakage flux and fringing effects.

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