What are two ways that oceanographers identify ocean currents?

The two ways that oceanographers can identify ocean currents are by mapping the path of debris from vessels and by studying the chemical and physical components of the ocean water.

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.