Four-year-old DeMarcus falls asleep shortly after his 8:30 P. M. bedtime. At about 9:45, he suddenly sits up in bed, breathing rapidly and appearing to be in a state of sheer panic. He doesn't remember anything about the episode upon waking. DeMarcus is experiencing: a) a nightmare. b) a narcoleptic attack. c) sleep terrors. d) REM sleep behavior disorder

3. define historiography. has historiography changed over time or stayed the same? why is this distinction important? use complete sentences for your response. (4 points)

The united states economy is one in which producers are generally free to produce what they want and consumers are free to purchase what they desire, so long as no laws are broken. at the same time, however, the government does regulate some aspects of the economy. the u. s. can best be described as which of the following a mixed economy b liberated economy c command economy d market economy

Carbon tetrachloride is a toxic liquid. a carbon tetrachloride molecule has one atom of carbon and four atoms of chlorine. what is its chemical formula?