Outline
Topic: Global Warming
Introduction:
General Statement: The causes of Global Warming
Thesis Statement: Four main causes of Global Warming
Body:
A: Carbon Dioxide
1. Burning of fossil fuels and wood
B: Chlorofluorocarbons
1. Aerosol sprays, refrigeration and air conditioning
C: Methane
1. Vegetation Burning and leakage of pipelines
D: Nitrous oxide
1. Chemical fertilizers in modern agriculture
Conclusion:
There four main causes of Global Warming. These are Carbon Dioxide, Chlorofluorocarbons, Methane, and Nitrous oxide. These gases have been created many people’s activities that affect our globe. For example, they make global temperature increase 2-10 oF