The nucleus is replicated , therefore a copy of DNA is made
This is your own opinion. Write about what you would do as a forensic scientist and the good things about that job and vise versa for the least favorite.
In both cases, viral DNA is integrated into the host DNA for a period of time
The answer would be yeast
These processes are volcanic eruptions, impact cratering, tectonics, and erosion. Impact cratering may occur due to meteoroids. The eruptions and disruptions caused during these processes lead to the release of many minerals and other components which eventually affect the surface geology of a planet.