What were the benefits and limitations of slash and burn agriculture for the Maya? Identify and explain Mayan religious practices. How did religion impact Mayan math and science?
Who were the Mexica? Why did they migrate to the valley of Mexico?
What made Tenochtitlan a real city as compared to Mayan cities?
What was the chinampa method of agriculture?
Identify and explain Mexica religious practices. How did someone become a Mexica slave? What was one of the reasons that the Mexica had slaves?
Where was the Incan empire located and how big was the population at its height? What did the Incas do to be able to grow more food? What was the significance of the Incan road network?
How did the Incas rule over their conquered people? What was the Mita System?
Identify and explain Inca religious practices. Who were the Inca related to?
What was Machu Picchu?

Using the factors of production to make one product always means that o .) a company may experience a shortage of materials o . )a nation can make more money o. ) it is possible to make too many of that product o. ) fewer resources are left to make something else

Which of the following was discovered in the piedmont region of north carolina in 1799?

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?