List the 8 elements of weather that are observed for making weather forecasts
explain your answer

Temperature, precipitation, wind direction, wind speed, clouds (types and altitudes), atmospheric pressure, humidity, and visibility. It really depends on what you're forecasting but most of the time forecasters look for high/low-pressure systems in weather models and behavior of various winds at levels such as jet stream.

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.