<span>During a sleep study electrodes are attached to the scalp, near the chin, near the eyes, on the upper chest, and the lower legs. Sensors are also attached to the upper lip and either the finger or the ear. The electrodes on the scalp measure brain waves or EEG to monitor the different stages of sleep. The electrodes near the eyes record eye movement and the electrodes on the chin record muscle activity to also provide data for determining sleep stages. The upper chest electrodes monitor heart activity. The lower leg electrodes show leg muscle activity during sleep. The upper lip sensor monitors breathing. The sensor on the finger or ear tell the doctor about the oxygen levels in the patients blood. Various other sensors may be used for studying specific areas of concern t the discretion of the sleep lab technician.</span>
Answer:
North America
Explanation:
It took place up near virginia back then, which would put it in north america
Hope's this helps!! :)
I was gonna say Court Appointment is the answer, but it could also be election procees.
Answer:
Chemical weathering involves the interaction of rock with mineral solutions (chemicals) to change the composition of rocks. In this process, water interacts with minerals to create various chemical reactions and transform the rocks.
Explanation:
sana makatulong
<h2>Carry on learning</h2><h2>Brainliest pls</h2>
