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)
<span>Puberty begins when the pituitary gland increase the amount of hormones in one blood stream. Puberty is the process of physical change during which a child body's mature and become transformed into an adult body which is capable of reproduction. The onset of puberty is characterized by releasing of different types of hormones, especially reproductive hormones into the blood stream.</span><span />
The lab value that does not support this diagnosis is a hemoglobin level of 18g per decilitre. Anemia is a mid-severe disease.
<h3>Hemoglobin and anemia</h3>
Hemoglobin is a fundamental protein located in red blood cells, which acts to transport oxygen to all body cells.
Low levels of hemoglobin in blood are indicative of anemia.
Anemia is a disease caused by defective red blood cells, which hampers their ability to transport oxygen in the bloodstream.
Learn more about anemia here:
brainly.com/question/377481
