Kale may be harvested _____
A) by pulling up the entire plant
B) by cutting off the outside leaves
C) when the leaves reach proper size
D) all of the above
D
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An existing liquefaction process produces 10 kg/s of liquid methane at steady state. Which of the following modifications to the process would be expected to decrease the total amount of work required to produce 10 kg/s of liquid methane?
A. Feed the methane at a higher flow rate. B. Use an inert carrier gas for the methane. C. Use a bigger pump in the process. D. Recycle the cold but not liquefied methane to chill the stream entering the flash chamber. E. None of these options
Companion animals are very popular in wealthier nations such as the United States.
Answer the following statement true (T) or false (F)
Which of the following statements about cloning animals is false?
A. Offspring are genetically identical. B. One parent yields all offspring. C. Clones age quickly. D. The process is expensive.
What does the AM modulation index measure?
A. Modulation depth B. Intelligence frequencies C. Amplitude variations D. Normalized voltages