Physiologically speaking, what is one trying to achieve when they select a light intensity level for the retail display area for potted flowering and green plants?
What will be an ideal response?
They are trying to supply sufficient light to support net photosynthesis
so that the plant remains healthy but does not grow significantly.
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Voltage is the measurement of electrical pressure in the same way that pounds per square inch is a measurement of water pressure.
Answer the following statement true (T) or false (F)
The GFRC skin is obtained by
A) spraying the mix over a mold. B) casting the GFRC mix in a mold similar to casting a precast concrete member. C) applying the mix with a trowel. D) any of the above, depending on the panel fabricator.
Which of the following hormones bind to membrane receptors and activate G-proteins?
A) peptide hormones B) steroid hormones C) estrogen D) thyroid hormones E) cortisol
What is the primary purpose of the cap on a service valve stem?
a. To prevent refrigerant from leaking out of the valve stem when back seated. b. To keep the valve stem from being damaged. c. To prevent dirt from getting on the valve stem and damaging the packing when opened. d. To make the compressor look good.