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)
C, passing your state nursing exam
I believe this would be foods containing high amounts of sodium, these are the foods that one should eat less of.
Answer:
due to human are using resources faster than they can be renewed replace and clean up.
Skeletal muscle: multinucleated, striated; attached to bones producing locomotion, general support and posture; producing heat. Contraction is voluntary, and not long-sustained. b. Cardiac muscle: found only in the heart and responsible for contraction of cardiac tissue and distribution of blood.