What is the most important part of the carbon cycle?

The most important part of the carbon cycle is plants absorb carbon dioxide and sunlight to create fuel which is crucial for plant structures.

It should be noted that this process, referred to as photosynthesis, is the foundation of the biological carbon cycle.

For more relevant articles refer to the links given below:

• UPSC Environment and Ecology Questions
• UNEP
• UPSC Environment and Ecology