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Which scenario represents a scientific investigation?

- A measurement of growth patterns of crystals in space
- A selection of favorite songs in a survey
- A questionnaire on the quality of care in a hospital
-A survey on the best options for reducing air pollution

Respuesta :

Erudite1
The correct option is: A QUESTIONNAIRE ON THE QUALITY OF CARE IN A HOSPITAL.
Questionnaire is one of the instruments used in scientific investigation to find out the real truth or the real state of a thing or situation. Questionnaires are usually distributed to the subjects of the experiments who supply the data that are needed for the investigation.

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