in which ways is the carbon in limestone released back into the atmosphere? i. plants leach out the carbon in limestone and consequently release co2 after they are decomposed. ii. geologic processes bring the sediments to the surface, where they are attacked by o2 iii. acid rain dissolves limestone.

The carbon in limestone is released back into the atmosphere through the geologic processes bringing the sediments to the surface, where they are attacked by O2.

In geology, the carbon cycle is a process through which carbon dioxide is repeatedly exchanged between the atmosphere, living organisms, and the hydrosphere to keep its levels sustained and balanced.

Carbon is an essential constituent of nature and is present in living organisms, matter, oceans, and the atmosphere in the form of carbon dioxide.

Furthermore, it is also stored in sediments and rocks under immense temperature and pressure also termed carbon sinks.

Geological processes such as weathering and precipitation decompose the organic matter or sedimentary rocks e.g. limestone as a result of which carbon dioxide is sent back to the atmosphere.

In general, carbon dioxide dissolves in oceans, and ocean water ventilates carbon dioxide back to air.

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