The first Arab conquests outside of the Arabian peninsula began under the Umayyad Caliphate (661 to 750), ruled from Damascus. Which of the following statements best describes the period of the Umayyad Caliphate?

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

Cigarette manufacturers purposefully add to cigarettes in order to give them a particular flavor. a. cocaine b. carcinogens c. cigarette ashes d. a and b

As a result of alcohol poisoning, . a. skin rashes may break out b. blood pressure may rise c. the respiratory system may function erratically d. the nervous system may become suppressed