An incredibly detailed set containing the Nitrogen Cycle, the Biogeochemical cycle in nature and in the Aquarium.The set contains 52 images, 26 are colored and 26 are black and white line diagrams. The image resolution is 300dpi and are on a transparent background.Details of the package:Most of the images come in6 versions - colored and line diagrams,with text,without text (will contain arrows, but empty labels) andbackground only (will contain no arrows or labels).Some images that do not contain any arrows, have only 4 versions, for example the molecules and the others - arrows and labels will have only 2 versions.There are a couple of arrows and empty labels included in the set, which will allow you to customize the Background Only version of images to your liking, depicting the details
