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Ugo [173]
3 years ago
6

Barbara is planning to participate in the Boulder marathon next year. Since last month, she has been following a healthy diet an

d exercising daily for 4 hours. This constitutes an example of a structured physical activity.
Biology
1 answer:
svet-max [94.6K]3 years ago
3 0

Answer:

45

Explanation:

it is

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