Because the surface is not flat and smooth, the suction cup and the static side film will not be able to absorb or attach in this area and avoid choosing the edge of the black dotted area
One cigarette butt alone can contaminate up to 500 litres of water , releasing toxic substances like nicotine and heavy metals that harm aquatic life
It took until 1964 for the Surgeon General to officially link smoking to lung cancer
Mar Pollut Bull 119:299306 Chevalier Q, El Hadri H, Petitjean P, Bouhnik-Le Coz M, Reynaud S, Grassl B, Gigault J (2018) Nano-litter from cigarette butts: environmental implications and urgent consideration
Cigarette and tobacco product licensing fees and funding: increases Californias tobacco licensing, distributor and wholesaler fees