When an external magnetic field is applied to a ferromagnetic material like iron, what does the material become?
A. Magnetized
B. Demagnetized
C. Radioactive
D. Electric
A
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Explain the following statement: "The story of New England was largely written by rocks."
What will be an ideal response?
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The sensor that MOST-Likely uses a beam of light to control the primary circuit is the:
A. Hall-effect sensor B. MR sensor C. photoelectric sensor D. crank angle sensor
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Soils in wet tropical regions tend to have high organic matter and distinct profiles
Indicate whether the statement is true or false
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Which anticipators are adjustable?
A. heating B. cooling C. both D. neither
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