The number of steps to the landing for a short-L stairway is _____.

a. two
b. two to four
c. three
d. three to five


Answer: B

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D + 6 = 14. What is D?

A. 6 B. 8 C. 9 D. 11

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Hybridization is generally a better technique than mass selection for cross-pollinated species

Indicate whether the statement is true or false

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Scientists have known for years that cells infected with viruses manufacture and release a substance called _____________________

Fill in the blank(s) with correct word

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Technician A says that all the fuel injectors on an engine should have the same electrical resistance. Technician B says that the difference between any two injectors should be less than 2 ohms. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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