Which process play an important role in the carbon cycle

The main processes of carbon cycle are photosynthesis,respiration, decomposition, natural rock weathering and fossil fuel combustion. De composers thrive in the soil and water, and they play an important role in the carbon cycle.  

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.