**THIS is a PC Version**
View this video by copying this link and pasting it into a web browser: http://www.youtube.com/watch?v=pM5W_AEmub0
For understanding Greenhouse Gases: Ozone of Global Warming: Causes, this chapter mini provides curriculum-based content in the form of reading passages, before you read and after you read questions. Also included are printables, vocabulary flash cards, video, audio and interactive activities. Our content meets the Common Core State Standards and are writte