Cloud-to-Earth lightning strokes are most likely to occur ____.
A. in urban areas
B. at a high point
C. in valleys
D. in rural areas
Answer: B
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What material has been traditionally been used in diesel engine cylinder block manufacturing until recently?
A. forged steel B. aluminum alloy C. middle alloy steel D. grey cast iron
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Two types of field precision seeders are ________ and ________.
Fill in the blank(s) with the appropriate word(s).
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What is the direction of lay required based on the symbol shown in Figure 5?
a. Parallel
b. Perpendicular
c. Radial
d. Multidirectional
e. None of the above
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How long is the gestation period for chinchillas?
A) 37 days B) 86 days C) 111 days D) 154 days
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