Read this excerpt from extremely loud and incredibly close. i knew i could never let mom hear the messages, because protecting her is one of my most important raisons d’être, so what i did was i took dad’s emergency money from on top of his dresser, and i went to the radio shack on amsterdam. it was on a tv there that i saw that the first building had fallen. i bought the exact same phone and ran home and recorded our greeting from the first phone onto it. i wrapped up the old phone in the scarf that grandma was never able to finish because of my privacy, and i put that in a grocery bag, and i put that in a box, and i put that in another box, and i put that under a bunch of stuff in my closet, like my jewelry workbench and albums of foreign currencies. which word best describes the tone of this excerpt? deceitful sentimental methodical respectful

In which type of economic system does the government control the means of production and distribution

Running and sleep. sufficient sleep is important for adolescents for both their neural and psychological development. despite this, daytıme sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. there is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning sixty participants were recruited from a high school in northwesten switzerlandthey were randomly assigned to either a running group or a control group, 30 to each group the running group ran every moming for a little over 30 minutes on weekdays for a three-week period. all participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. running was found to have a positive impact on both objective and subjective measures of sleep functioning what are the explanatory variable(s) and the response variable(s)? (a) outline the design of the experiment (b) (c) here are some more details on the treatment and control groups. all participants arrived at school at 7 a.m., and the running group did two laps on the track and then ran cross countrv in groups of at least four people for 30 minutes the control group remained seated at the track, worked on horpework. and interacted with each other. when the runners returned, all participants prepared for school and ate a breaktast that was provided. iwhy do you think the experimenters had the control group arrive at 7 am interact withdassmates and have breaktast together? explain. do you think having the control eroup do these activities is important for the types of conclusion that can be reached? how?

Refers to the biological heritage people use to identify themselves.