Answer:
Explanation:
*organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes
*In terms of this cycle, the decomposers metabolize oxygen and release carbon dioxide. The primary producers then use these nutrients to fuel photosynthesis, which provides oxygen for the consumers
*burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.