Man-made permanent magnets retain their magnetism _____ than natural magnets.

A. less
B. longer


Answer: B

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Solve the quadratic equation and round to 2 decimal places:  x2- 0.75 = 0.25x

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

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Technician A says that zero degrees Celsius is the freezing temperature of water. Technician B says that 100 degrees Celsius is the boiling temperature of water. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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Relative humidity is measured using

A) Temperature and barometric pressure readings B) A particle counter to count the grains of moisture in an air sample C) Comparative volume measurements D) Wet bulb and dry bulb temperature readings

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In Manual J, fenestration means:

A) The material used to seal around openings. B) A barrier against infiltration. C) Anything that light can pass through. D) Openings made in the building envelope for the purpose of providing ventilation.

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