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Greeley [361]
3 years ago
9

Thirty minutes of exercise per day can reduce your blood pressure. Which of the following is a guideline for establishing causal

ity?
a) Look for evidence that smaller amounts of exercise produces a reduction in blood pressure.
b) Check if lower blood pressure is present or absent when exercise is present or absent
c) Perform a randomized, controlled experiment.
d) Control the number of minutes of exercise and blood pressure to get the same results.
Mathematics
1 answer:
Lynna [10]3 years ago
6 0

Answer:

opt. (d)

Step-by-step explanation:

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