I would say the answer is All of the above
Answer: Continuous repetition of the number
Explanation:
HIV crossed from chimps to humans in the 1920's in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area.
The answer is true, all of this nutrients are essential