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23 окт 1958 г. - Karbondioksit seviyesi 315 PPM

Описание:

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

Добавлено на ленту времени:

qqq

ByUmut Uygun
12 дек 2017
0
0
623

Дата:

23 окт 1958 г.
Сейчас
~ 67 г назад
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