Biology, 16.01.2021 20:10 savannahsharp4463

A sprinter runs a 400m race. She takes 42 breaths in the three and a half minutes before the race and 33 breaths in the 90s seconds after the race. What was her breathing rate before and after the race?

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A sprinter runs a 400m race. She takes 42 breaths in the three and a half minutes before the race an...