The correct answer is option A- HIV virus.
HIV virus is an example of enveloped virus, that has the ability to infect a host cell by attaching itself to it and fusing with the host cell. Once infected, the virus leaves the host cell and moves to another cells to infect them. The HIV virus contains glycoprotein spikes to attach to the host cell.
Answer:
In Los Angeles, the summers are hot, arid and clear and the winters are long, cool, wet and partly cloudy. During the course of the year, the temperature generally varies from 9 ° C to 29 ° C and rarely falls below 5 ° C or rises above 34 ° C.
C is the most reliable answer
<span> shifts in the Earth's crust, earthquakes</span>