Elliot is stuck on an assignment for his online course and got his teacher's voicemail when he called. How should he approach solving this problem? Try checking for extra help resources his teacher has posted.

Take a break and try again next week.

Keep calling his teacher because she'll eventually pick up.

Withdraw from the class.

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.