The answer is d. all of the above
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.
Adenine, Thymine, cytosine, and guanine.
Answer:
jumping, sprinting, or heavy weight lifting.
D, All of the above, seems like it