The “breathalyzer” is a test of a person's BAC. (Blood Alcohol Concentration). This is found to be true in many cases of drunk and recless drivers, intoxicated people and others. The breathalyzer is a ture test and is used in many cases.
I think the answer is “Nuts”...... but I’m not fully sure.
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)
A.) Meditation can be used to respond to an uncomfortable situation especially if you're trying to contain the situation
I think it would either be A or D! Hope this helps.