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Cigarette Manufacturers Have Had to Eliminate the Use of Vending

question 54

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Cigarette manufacturers have had to eliminate the use of vending machines due to the machine's inability to check the buyers' ages.A cigarette manufacturer has developed vending machines that operate only after the user inserts a card verifying his or her age.By developing this machine,and by modifying its external environment through the use of technology,what has the cigarette manufacturer engaged in?


Definitions:

Scientific Method

is a systematic approach to research and experimentation used to explore observations and answer questions by making hypotheses and testing them.

Theory

A system of ideas intended to explain something, often based on general principles independent of the thing to be explained.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Testable

Capable of being tested or subjected to examination and verification.

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