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It is difficult to draw clear conclusions from observational studies of diet and health because there are many confounding variables. a. True b. False
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5 votes
It is difficult to draw clear conclusions from observational studies of diet and health because there are many confounding variables.

a. True
b. False

User Niikola
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2 Answers

4 votes
it's probably a i think...
User Promila
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7.6k points
5 votes

Answer:

i think it is a

Step-by-step explanation:

User Jan Palas
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