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Global oppvarming

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by

Praewa Janthed

on 3 June 2015

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Transcript of Global oppvarming

Hva er global oppvarming?
Økt av drivhusgasser føre til at gjennomsnittemperaturen på jorda øke. Det blir varmere over hele verden, det kaller vi
global oppvarming
.
Årsaker
Karbondioksid CO2
Vanndamp
Konsekvenser
Klimaendringer
Ekstremvær
Smelting av is
Naturkatastrofer
Global oppvarming
Full transcript