Second option is the answer
Suzie is adding to our air pollution problem. Suzie needs to walk.
Well media images are skinny and look “perfect” and we deep down start to feel insecure about ourselves and want to look like that so some people stop eating other get surgeries and so on and so forth.
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.
