HIII so i am giving out free points all you have to do is answer this question! and the last 2 questions i asked on my profile. HURRY AND ANSWER THIS QUESTION TO GET 40 POINTS have a great day one of my last questions were 60 and the other one was 100 points! hurry and find those questions on my profile! BY

How do earth’s systems interact with each other?

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.

Secondary school falls between a . kindergarten & elementary b. elementary school & post secondary school c. post secondary school & higher education d. middle school & high school