No you should be looking for any source. A disagreeing source can be used to counter it
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Outputs : Oxygen
Inputs: Sunlight;Carbon dioxide;Water
Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.
Monerans, now known as bacteria, have many beneficial effects. Some, such as the species that live in the intestines
