I think it’s B
Hope that helped XD
Different forms of exercise improve different aspects of health-related
fitness. For example there are endurance exercises that increase heart
rate like running or swimming. Other types of exercise include strength,
balance, and flexibility. These different exercises help improve a different aspect of someones health.
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Answer: I believe that it is not safe because if you were to say crush it up and snort it and you thought that is wasn't working so you did another and then maybe another then you might be taking more then what you where supposed to take in one setting.
Hope it makes since.