If ''The Wretched of the Earth'' was not ''the handbook for the black revolution,'' as its publisher boasted, it was certainly a sourcebook of revolutionary slogans. (Eldridge Cleaver once said that ''every brother on a rooftop can quote Fanon.'') ''Violence,'' Fanon argued most famously, ''is a cleansing force.
Carbon dioxide is taken in by plants and split into oxygen and carbon. The oxygen is releas â¦ ed as a bi-product. The carbon is used to make glucose, a sugar that plants synthesize for energy.
Although carbon dioxide is present in very small proportions on the earth, it performs very useful functions. Some important functions of CO 2 are described below: (i) Carbon dioxide is used up by plants to prepare their food through photosynthesis. Thus, atmospheric carbon dioxide provides us food through plants.