The answer is c. they should last 20 to 30 minutes.. for most people, thats a whole workout lol
The evidence of a major microbial decomposition
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Subtract your age from 220 to get your maximum heart rate. Calculate your resting heart rate by counting how many times your heart beats per minute when you are at rest, such as first thing in the morning.
Answer:
My health teacher said it could be all so D
Answer: It depends on how well you care for it, and yes you can have a second one done but either way it takes time.
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