Stretch before swimming as to protect her muscles. Some safety precautions to take would be having proper equiptment such as goggles and/or nose/ear plugs. Since it's a public pool, if she is under 18 it would be a good idea to have parental guidance while at the pool as well as making sure there is a lifeguard on duty.
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The answer is 45 seconds thank you for always putting your questions on brainly.com!
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I think it is blood pressure but I am not shor
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