In which century was the first known plot graph created?
A. eighth
B. tenth
C. twelfth
D. fourteenth
Answer: B
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Which of these is NOT a true statement about the experience of slavery for women?
A. Female slaves worked a much longer day than male slaves. B. After toiling in the fields, female slaves spent their evenings spinning or making clothes for their families. C. Slave women lived in fear of sexual violence from white masters. D. Female slaves made up the majority of early imports to the colonies. E. Women constantly sought ways to preserve their dignity under the slave system.
During the age of industrialization, the South
A. was not targeted by northern industrialists who sought to introduce factories into the region. B. received preferential treatment from the railroads. C. turned away from agriculture D. made major efforts to industrialize that ultimately transformed the economic culture of the South, making the region much more industrial. E. remained overwhelmingly rural and agricultural.
What happens to the evaporator fan motor when the defrost cycle is terminated?
A) The fan runs at a higher speed until the evaporator has cooled back down. B) The fan shuts off until the defrost termination thermostat senses that the evaporator is cold again. C) The fan comes back on to cool the freezer. D) The fan stops running backwards and begins to operate normally again.
Which of the following is an example of an application where double-sideband, full-carrier (DSBFC) AM would be used?
A. Marine and citizens band (CB) radios B. Military services C. Aircraft-to-tower communication D. Amateur (ham) radios