What are the effects of red/yellow light, green/blue light, high-intensity light, and lowintensity light on plant growth?
What will be an ideal response?
Light quality has a profound effect on the height of the plant: red/yellow light promotes
elongation, whereas green/blue light inhibits elongation and promotes shorter plants.
Light intensity also has a profound effect on plant growth: high light promotes shorter,
dark green plants with leaves that are typically brittle, whereas low light promotes
etiolation, which is exaggerated growth of the stem resulting in taller plants.
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When a system pumps down, where is the refrigerant stored?
A. Condenser and receiver. B. Evaporator and compressor. C. Condenser and compressor. D. Both a and c.
Three phase transformers are available in:
A) Alpha and Wye configurations. B) Delta and Omega configurations. C) Delta and Wye configurations. D) Alpha and Omega configurations.
What is the ratio of VOUT/VIN (expressed in dB) in an RLC series resonant circuit if the output voltage is taken across the inductor, the resonant frequency is 14 MHz, the source voltage is 18 V and the inductor drops 300 V?
A) 24.4 dB B) 42.9 dB C) 28 dB D) 14.0 dB
An acceptable sequence for tightening fasteners around a circle is called a __________.
A. star pattern B. moon pattern C. cross pattern D. None of the answers are correct