The diagram of Earth's carbon cycle showcases the interconnections between the biosphere, lithosphere, atmosphere, and hydrosphere. It demonstrates how carbon moves through these spheres. The biosphere, represented by plants and animals, plays a role in both taking in and releasing carbon through processes like photosynthesis and respiration. The lithosphere, shown as the ground, contains mineral carbon and also interacts with the biosphere through processes like root respiration. The atmosphere, represented by the air, contains carbon dioxide emitted by plants, animals, factories, and vehicles, and also takes in carbon dioxide through photosynthesis. The hydrosphere, represented by the ocean, absorbs carbon dioxide through a process called ocean uptake. The diagram emphasizes the circular nature of the carbon cycle, depicting how carbon moves through these spheres and ultimately returns to the starting point.

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The diagram of Earth's carbon cycle illustrates the interconnectedness of the biosphere, lithosphere, atmosphere, and hydrosphere in the movement of carbon. The biosphere, represented by plants and animals, plays a dual role by absorbing carbon through photosynthesis and releasing it through respiration. The lithosphere, or ground, contains mineral carbon and interacts with the biosphere through activities such as root respiration. The atmosphere, depicted as the air, holds carbon dioxide emitted by various sources, including plants, animals, human activities such as factories and vehicles, and also takes in carbon dioxide through photosynthesis. The hydrosphere, represented by the ocean, absorbs carbon dioxide through ocean uptake. The diagram effectively captures the cyclical nature of the carbon cycle, demonstrating how carbon circulates through these interconnected spheres and eventually returns to its starting point.