Respuesta :
The two major processes involved in the carbon cycle are photosynthesis and respiration. The correct option is 3.
What is carbon cycle?
The carbon cycle is nature's own way of recycling carbon atoms, which commute from the ambience into lifeforms on Earth and then returned to the environment.
The maximum of carbon is kept in rocks and sediments, with the leftover in the ocean, atmosphere, and living organisms.
It is critical for our global atmosphere and carbon balance to remain stable. Carbon is the lifeline of the Earth, and the carbon cycle regulates it naturally. The Earth would be frozen if it didn't have it.
The process of photosynthesis requires carbon to form glucose which is taken in as carbon dioxide, and the respiration is the process of excreting out the carbon as carbon dioxide.
Thus, the correct option is 3.
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Your question seems incomplete the missing options could be:
- Deposition and soil erosion.
- Evaporation and transpiration.
- Photosynthesis and respiration.
- Fixation and denitrification.