Because of the curvature of the earth, microwave systems that must travel over long distances need ________
A) to operate at low frequencies
B) to operate at high frequencies
C) repeaters
D) mirrors
C
Business
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The policies, practices, and systems that influence employees' behavior, attitudes, and performance are important dimensions of:
A. supply chain management. B. materials management. C. human resource management. D. labor laws. E. employment laws.
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What is the average labor cost as a percentage of total business cost for most USA organizations?
(a) 10% (b) 40% (c) 60% (d) 80%
Business