For those who always want more I suggest a couple of songs
work for what you can do up note on the carbon cycle and the greenhouse effect
If you choose the carbon cycle using the information in the book (page 89) and these links
cycle wikipedia
If you choose the greenhouse effect can take advantage of these pages:
Energy Climate Change
wikipedia
Lentiscal (click on A5 for explanation)
not forget:
- A face
per person - Compulsory
personal opinion - Best if you command as a comment and less and save paper and ink
- No escribáis without knowing what you put, shorter and better understanding it
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