Balloons filled with helium and air .Yellow balloon filled with helium rises,while blue balloon filled with air does not | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 3402 px × 5118 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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