What natural condition can change the level of CO2 at which optimal plant growth occurs and how is it changed?
What will be an ideal response?
Light intensity. As light intensity increases toward the optimal level for
the crop, the level of CO2 at which optimal growth occurs also rises.
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Which of the following treatment methods is used to remove hydrogen sulfide?
a. softeners b. neutralizing tanks c. activated charcoal filters d. ozone injection
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What is the gear ratio of this gear set (small gear driving)?
A) 3:1
B) 1.5:1
C) 2:1
D) Cannot calculate
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What is the virtual condition of a pin with a diameter of 12.00 ± 0.25 mm and a perpendicularity geometric tolerance of .05?
a. 11.70 b. 12.25 c. 12.30 d. 12.75
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_____ is the mathematical study of the sides and angles of triangles.? ?
A. Geometry? B. Calculus? C. Algebra? D. Trigonometry?
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