Calentamiento global - Moodle
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Calentamiento global - Moodle - Presentation Transcript
- Global Warming
- It could change our world!
- Verónica Massara
- 20/06/2009
- The greenhouse effect If it wasn’t for the natural greenhouse effect, the surface of the Earth would be 33 degrees Celsious colder than it is now.
- The Greenhouse gases Extra greenhouse gases cause the Earth's temperature to go up. .
- We are in the final countdown
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