A mental disorder that can cause moodswings and depression
Answer:
continued use
Explanation:
he has used it continually through out the passage
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)
this is the exchange of gases and nutrients.
It took me a bit but i figured it out!
Hope this helps you some!:)))
