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23 ottob 1958 anni - Karbondioksit seviyesi 315 PPM

Descrizione:

PPM nedir?
140bin 1.5 litrelik suyu bir kaba boşaltırsak 1PPM bu kaba damlatılmış 4 damla mürekkebe eşittir.

Aggiunto al nastro di tempo:

qqq

12 dic 2017

0

0

621

Data:

23 ottob 1958 anni

Adesso

~ 67 years ago

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