2. Review your notes or the text from the study titled 'The Slave Trade." Then summarize the following information. a. When did slavery in Africa begin?

b. Who captured most of the African slaves that were sold to Europeans?

c. How did the slaves' treatment by Europeans compare to their treatment by other Africans?

d. Describe the Middle Passage.

Ocean currents that move away from the equator carry warm, moist air and ocean currents that move away from the poles carry cooler, dryer air. based upon this information in the map above, which of the following statements is true? a. the climate on the western coast of south africa is warm and rainy.b. the climate on the eastern coast of south africa is warm and rainy.c. the climate on the eastern coast of australia is cool and dry.d. the climate on the eastern coast of japan is warm and rainy.

In 100,000 years, the rotation of earth will be slower by how many seconds?

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?