How have researchers determined that there are four NREM stages of sleep and one REM stage of sleep?

The probability of rolling a sum of 7 when rolling two dice simultaneously is 0.167. you decide to test that probability by rolling th dice 12 times. what is the probability that exactly 2 of the rolls is a sum of 7?

The patient was the driver in a motor vehicle collision, a one-vehicle rollover occurred that was caused due to lack of control. the patient is now bleeding into the abdominal cavity. the physician brings this patient to the operating room to remove the spleen in order to control this patient’s bleeding. the major vessels of the lacerated spleen were carefully dissected, and the spleen was removed in its entirety? cpt code: icd10-cm code: icd10-cm code

Select the sentence that shows jennifer’s readiness to become a parent. jennifer is a successful entrepreneur. she enjoys weekends with her partner. lately, they have been thinking of having a baby. she visits her mother once a month and her with her chores. she also donates money annually to an orphanage. she also donates money annually to an orphanage