about the earth

1. View the “Atmosphere & Climate Change” powerpoint2. Read “Damsel in Distress” in Schwartz text3. View one or more of the climate change summary videos in this unit (most are about 5 minutes long).4. Answer each of the questions below and submit your answers by clicking on the button “Add a new discussion topic.”Based on what is conveyed in “Damsel in Distress”, the Atmosphere & Climate Change powerpoint, and the videos in this unit: Explain in the greatest detail possible how greenhouse gasses (GHG) cause the planet to heat up.  (at least four sentences)How much have carbon dioxide levels in the atmosphere risen since the Industrial Revolution? (one sentence)Next, tell us your OPINION on which are the three most significant EFFECTS of climate change, and explain your decision/reasoning.  (at least three sentences)5. Respond to at least two of the opinion postings submitted by other students and submit response by clicking on the word “Edit” at the end of the student posting.6. IMPORTANT:  YOU WILL ONLY RECEIVE CREDIT FOR THIS FORUM if you copy/paste your original post and responses to other students into the submission space for the “Forum submissions” assignment in this unit.GRADING:You will receive 10 points for your answers to each of the above questions, for a total of 30 points.You will receive 5 points for each of your responses to other students’ postings for a total of 10 points.Total possible points for this assignment: 40 points.