Aron is asleep. his breathing has become more regular and he is less sensitive to external stimulation. the researcher can confirm that aaron is in stage 2 sleep by looking for on aaron’s eegs.

K-complex

Explanation:

According to my research on EEG charts, I can say that based on the information provided within the question the researcher should be looking for a K-complex on Aaron's EEG's. This is the largest waveform in an EEG and occurs during stage 2 of NREM sleep. According to researchers this is when the brain evaluates not to signal danger and is also aiding sleep-based memory consolidation.

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i believe your answer is mountains.

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.