What do you think was the major technological innovation that influenced life on the Great Plains frontier? Why?
What will be an ideal response?
Student answers will vary.
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If the symbol shows the movable contact touching but below the stationary contact, this indicates that the switch is ____.
A. normally open held closed B. normally closed held open C. normally closed D. normally open
Which type of burner uses a motor-driven blower to deliver primary and secondary air to the combustion zone?
a. absorption b. injection c. luminous d. power
Which transmission standard consists of 525 horizontal lines and 60 vertical lines of display?
A. NTSB B. SECAM C. PAL D. NTSC
In his 10 percent plan for Reconstruction, President Lincoln promised
A. rapid, straightforward, and readily achievable readmission of Southern states into the Union. B. former slaves the right to vote. C. the restoration of the planter aristocracy to political power. D. severe punishment of Southern political and military leaders. E. a plan that could not possibly lead to congressional fears of the re-enslavement of Southern blacks.