The ozone depletion factor of R-12 is ____.
A. 0.8
B. 0.016
C. 0.05
D. 1.0
Answer: D
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7.2 acres = ?
A. ?313,632 sq. ft. B. ?2,258,150.4 sq. ft. C. ?13,661,809,000 sq. ft. D. ?98,365,031,000 sq. ft.
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What is the most important single factor in determining the agricultural productivity of a soil?
What will be an ideal response?
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Why are some people concerned about genetically altered microorganisms?
What will be an ideal response?
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Once the concrete is placed, it is allowed to partially cure approximately for _______days.
A. 7 B. 8 C. 10 D. 11
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