At times it is extremely hard or even difficult to quantify a changa. For instance when planning a changa from "copyright oil" extracted from some acacia that contains a combination of alkaloids, and harmalas in the shape of caapi leaf made up of an unknown amount of harmala alkaloids, in https://sethplanz.blue-blogs.com/44071585/not-known-facts-about-changa-copyright-for-sale-australia