Which technological innovations transformed the size and efficiency of American farms? How did this change the economics of farming?
What will be an ideal response?
Student answers will vary.
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1.7 is read as "one and seven ____."
A. ten-thousandths B. thousandths C. hundredths D. tenths
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What are the mutant colors of chinchilla?
What will be an ideal response?
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-38 degrees F = _____ degrees C.
Fill in the blank(s) with the appropriate word(s).
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All pairs of spur gears must have the same:
A. root diameter B. outside diameter C. diametral pitch D. pressure angle
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