Answer:
Explanation:
always change them if they have blood you dont want infections
You have not given us any options to pick from @Kristina986
Answer:
Independent: electronics in room
Dependent: hours of sleep
Control: school nights, night routine, lighting of room, the time the person decides to go to bed
Confounding: the person(?? not entirely sure on this one)
Answer:
she should ad vegetables and fruit and if she want she can exercise
