What is the physical properties of limestone ,magnesite ,steatite, tungsten,​

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?

Based on your approved case, create fictitious digital evidence. you may use logs from your own computer (no personal information) as a guide or search the internet for samples. these samples do not have to be technically correct, but there must be a reasonable presumption that this information would exist, supported by a reference. document who, when, and how the evidence was obtained. remember, you are creating fictitious examples, so refer to prior reading or examples of how digital evidence was collected. if necessary, refer to the "who" as a "systems administrator" and ensure the fictitious person is identified and referenced in your investigation. digital evidence must meet each of the following criteria: some of your digital evidence must be retrieved by computer forensics. some of your digital evidence must be retrieved from log files. digital evidence must contain information to support who, what, when, where, and how the cyber-crime was committed. present digital copies of your evidence in text files, screen shots, or pdfs.

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures