A memoir describes the biography that is personally written in which all life events are captured in words with his memory so it is not considered historical document because <span> a memoir relies largely on the writer's memories </span>because it rely on writer memory and he can also forget something so correct option is C hope it helps
Although a memoir can take place in a historical perspective, it is not a comprehensive recounting of a historical accident, but an anecdote of a person's personal and individual encounters, memories and views on a selective significance in his/her time, and how these visions altered the life of the author. The memories could have appeared on a historical context but they do not record in particular the context of the events around the artist, but his/her beliefs and ideas and how he/she encountered said events.
The conversion of DNA information into the messenger RNA is transcription. In the transcription process the genetic code sequence is transcribed into the mRNA by the enzyme RNA polymerase. Hence the process conversion DNA sequence into mRNA is called as transcription.