Well, since there are no options
Swimming
Running
Cycling
These are a few examples
Hope they help :))
That's the answer right there
I would not suggest it. Anything can happen on a boat.
Id go with A because the avg for 15 year olds is about 72ish to 100ish.
Answer:
is a blind, neutral experiment
Explanation:
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.
