The Earth’s crust contains approximately 0.02% carbon in the form of minerals like carbonates, hydrogencarbonates, coal, and petroleum. Meanwhile, the atmosphere contains about 0.03% carbon dioxide.
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In the Earth’s crust, carbon makes up about 0.02% by weight, primarily in the form of minerals like carbonates and organic materials. In the atmosphere, carbon dioxide (CO2) constitutes approximately 0.04% by volume. While these percentages seem relatively low, carbon is a fundamental element for life and plays a crucial role in various geological and atmospheric processes. The cycling of carbon through Earth’s systems, involving carbon fixation in plants, respiration, combustion, and carbonate formation, maintains a dynamic equilibrium and sustains the interconnected balance of life and the environment.