Greg, a supervisor, is known by his managers to be sharp in his decisions and has a good track record of meeting his goals; Greg is a(n)manager.

D

Effective

Explanation:

To be effective means to achieve results, make right decisions, and to successfully carry them out so they achieve organizations goals and other set goals. Effectiveness is the capability to produce a desired result or desired output.

You say something is effective when it has an intended or expected outcome.

Achieving a desired result is being effective.

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conditions such as oral thrush or oral herpes viruses can cause the tongue to swell due to inflammation. other medical conditions include tumorous cancer, acromegaly (giantism), amyloidosis, sarcoidosis, hypothyoidism, and kawasaki disease.

explanation: