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OpenStudy (ambermarie151):

Which question would form the best basis for a quality research paper? A. How much cardiovascular exercise can an 80-year-old man do every day? B. Are people who exercise healthy? C. What kind of person is healthier: an obese person or a fit person? D. How does exercise improve heart health?

OpenStudy (ambermarie151):

@ovidia

OpenStudy (ambermarie151):

@TruRedd

OpenStudy (ovidia):

I think its D...?

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