Identify which countries were strong competitors for trade along the Niger River.

WILL MARK BRAINLIEST ASAP PLEASE! =) and Thank you!

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?

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate.not an excessive incentive.educational.of high quality.

Research and review one of the following cases: 1. eeoc vs abercrombie and fitch inc. 2. young vs ups 3. vance vs ball state university after you have thought through and understand the case answer the following: 1. explain the facts of the case leading to the dispute. 2. define and show understanding of each of the terms assigned to your case. break the laws into components where necessary. eeoc vs abercrombie and fitch inc: 1) eeoc, 2) title vii, 3) disparate treatment discrimination, 4)disparate impact discrimination vance vs ball state university: 1) eeoc, 2) title vii, 3) hostile work environment, 4) a supervisor for title vii purposes young vs ups: 1) title vii, 2) pregnancy discrimination act, 3)american's with disabilities act, 4) reasonable accommodation 3.how do the above concepts come into play in the case? 4. what rule of law came from the case? what did the court decide? 5. based on your understanding of employment law was the ruling correct? explain using a legal principle.