B is the right answer ...............................................................
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a. because id she keeps excerising more and more she could pass out, get a heat stroke, or could possibly get cardiovascular diases sorry i just woke up so if i spelt anything wrong please tell me
Lung Cancer is most likely the answer
Hope this helps :-P
It can help strengthen your muscles and body but at the same time you loose energy and can not continue for a long amount of time .
