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Présentations Powerpoint  It is believed that 40-50 years down the line, all fossils fuel will be exhausted from earth. No fuel will be left for our new
Documents Présentations Powerpoint  It is believed that 40-50 years down the line, all fossils fuel....

Slide 1 Présentations Powerpoint  It is believed that 40-50 years down the line, all fossils fuel will be exhausted from earth. No fuel will be left for our new generations.…