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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