Does the sound absorption coefficient of a material, ?, vary with frequency? What is the unit of measurement of ?? What are the theoretical minimum and maximum values of ??
What will be an ideal response?
The value of ? varies with frequency. It has no units, i.e., it is simply a number. The value of ? varies between 0 and 1.
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Symbols used to show cable tray systems on working drawings are explained in the _____.
a. NEC® b. legend c. detail drawings d. isometric drawings
Perhaps the greatest objection to cloning is that it will:
a. make cloning's long-term effects clear b. lead to the process of human cloning c. perpetuate desired breeding stock d. eliminate serious gene abnormalities
Confined, unhealthy animals that cannot escape are more profitable for producers
Indicate whether the statement is true or false
The external covering of the penis is called the sheath or prepuce.
Answer the following statement true (T) or false (F)