Sugar changed to black carbon in glass bowl after mixing with sulphuric acid from bottle | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 5443 px × 3249 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |