A knowledge worker is one who a. Has extensive computer skills b. Has technical training and management expertise c. Applies ideas, information and knowledge of their work d. Applies ideas, information and knowledge of their work

b) applies ideas, information and knowledge to their work.

Explanation:

Knowledge workers are the type workers who rely on their education and information that they read to obtain an advantage int heir career

Typically, this type of workers do not associate directly with customers, and all of their job can be done within a small/confined space.

Examples of Knowledge workers are: Programmers, accountants,  researchers, and writers.

c- companies fail to take environmental protection into account. i think

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