d
Explanation:
they ended up using each other methods for whatever they had to do
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.
Poverty means people can become desperate and result to violence such as mugging and looting.
Put her hands in the correct position or slightly arch her back
