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Biology, 06.01.2021 14:10 cicip7209

7. Hva menes med masseutryddelse av arter, og hvor mange masseutryddelser har det vært på jorda før mennesket oppsto som art?
8. Hvor mange mennesker levde på jorda i 1925? Finn deretter ut hvor mange vi er akkurat i
dag, ved å søke på «world population clock». Regn ut hvor stor økningen har vært.

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7. Hva menes med masseutryddelse av arter, og hvor mange masseutryddelser har det vært på jorda før...
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