In addition to the educational requirements to become an ultrasound technician, there are also certain qualities that you should possess or acquire in order to be the most successful in you job. Candidates will need to be detail oriented and very alert when performing their job duties.
The influence of the Maya extended far from their tropical homeland. They were great TRADERS, maintaining links with states in the Valley of Oaxaca in the highlands and diplomatic relations with the vast city of Teotihuacan in the Basin of Mexico.
Around 2500 B.C. the Maya started cultivating corn (maize) and abandoned a nomadic way of life to settle in villages surrounded by cornfields. With the domestication of corn and the harnessing of rainwater for irrigation, all the elements were in place to support a growing Maya population.