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Do We Exhale Carbon Dioxide?

19,90 24,68 με ΦΠΑ 900610
Inhale and exhale and watch how the limewater in the right glass turns milky. Prove that the percentage of carbon
-11%
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Studying Photosynthesis – Environment KIT

190,90 169,90 210,68 με ΦΠΑ 941218