In Science, to have results in which you can trust, always need to be a comparative ( in this case the creatinine supplementation and the other powder). To be a serious experiment, need to have the same activities, duration and the participants need to "blind" to know which substance they are really taking, so they need to train as usual, and after some time the results will show if there is a significant difference.

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3 years ago

Mary participates in an exercise program because she experiences an increase in energy and feelings of well-being at the end of

Helga [31]

Answer: Exercise releases endorphins in the brain and thus, why she is feeling an increase in energy and well being

Explanation:

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3 years ago

Which of these characteristics would best help a student who is focused on achieving fitness goals?

shusha [124]

If there's one answer, it's definitely self control

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