David tests a small amount of new drug developed at a laboratory to make sure it meets the Food and Drug Administration standards. What is most likely David's occupation?

Quality Control

Explanation:

The most likely occupation of David would be quality control.

The quality control unit is a section of a company that ensures that products or services produced by the company meet some specific standards as required by authorities. Quality control officers randomly test produced batches of goods to ensure that the required standards are met.

In the illustration, the body overseeing the standards of drugs is the Food and Drug Administration and the work of David is to ensure that the drugs produced meet the required standards set by the body. He is a quality control officer.

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only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.