When comparing the differences in industries from a human resource management perspective, he is likely to notice that the positive effects of human resource management are stronger in manufacturing as opposed to the service industry.
A service industry is one that creates services rather than tangible objects whereas the manufacturing industry is one that creates tangible objects.
Hence, human resource management will mostly notice that positive effects of human resource management are stronger in manufacturing as opposed to the service industry.
Therefore, the Option A is correct.
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