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Research is conducted to determine if there is a relation between lung capacity and proximity to coal mines. Does the description correspond to an observational study or an​ exp…

Research is conducted to determine if there is a relation between lung capacity and proximity to coal mines. Does the description correspond to an observational study or an​ exp…
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Research is conducted to determine if there is a relation between lung capacity and proximity to coal mines. Does the description correspond to an observational study or an​ experiment?

User ClaytonJY
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3 votes

Answer:

observational study

User Albertodebortoli
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