- The situation in which atmospheric gases trap the sun's heat and keep Earth's surface warm is called
a. weather.
c. climate.
b. greenhouse effect.
d. primary succession.

Greenhouse effect

Because they are stupid and insensitive

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.