Eggs in salted water and in pure water illustration vector https://www.rawpixel.com/image/573422/egg-test-scientific-experimentView licenseMilk bottle clipart, illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/7619660/vector-illustrations-public-domain-collage-elementFree Vector from public domain licenseGlass of milk background, drink illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/7619531/vector-illustrations-public-domain-blueFree Vector from public domain licenseSports water bottle, flat object collage element vector https://www.rawpixel.com/image/11910558/sports-water-bottle-flat-object-collage-element-vectorView license