Keywords
20-25 years, analyzing, blue sky, body of water, cleanup, color image, comparing, conical flask, contamination, copy space, day, ecology, erlenmeyer flasks, focus on foreground, front view, hazardous waste, high angle view, holding up, man, obscured face, one person, one young man only, outdoors, polluted, pollution, pollution mask, protective suit, rubber gloves, sample, scientist, studying, toxicity, unrecognizable person, waist up, water, water pollution, water's edge, young adult, young man, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, paa542000044