Producing biofuels from sunflowers,conceptual image. Test-tube of oil with a seedling of a sunflower (Helianthus annuus),representing the production of biofuels from crops | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Percival, Steve |
Bildgröße: | 3433 px × 5150 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |