"002038" - 0 õppematerjali
002038 - 0.012795 ppm. Mean value in Central Europe 0.001223 ppm Measurements in a highly industrialized area with also heavy traffic conducted in Germany (1979 – 1984) gave annual mean values of 7 – 12 μg/m³ 0.005705- 0.0978ppm
Nagu näha, siis vastuse leidmine on päris raske, aga lendamine on hoopis imelihtne - tuleb vaid maa poole viskuda ja mööda kukkuda.
annaabi.ee 
