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Which question can be tested most directly through an observational study?

Answer and explanation

Correct answer: Does the average number of birds on the school campus vary across seasons?

Bird numbers can be counted across seasons without intervention. An observational study records natural patterns.

Related tags

Observational-StudyBird-CountSeasonsScientific-QuestionScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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