Hi !
Answer:
Risk factors for chronic disease tend to persist and tend to increase.
B.) False, it would be about the same due to the percentages
Lung cancer
premature birth
heart disease
birth defects
black lungs <span />
U are in the wrong category for maths ._. Dont report me am just saying cause I don’t think u would get an answer in health category...
Answer:
A) The discovery of HIV. They believe that the chimpanzee version of the immunodeficiency virus (called simian immunodeficiency virus, or SIV) most likely was transmitted to humans and mutated into HIV when humans hunted these chimpanzees for meat and came into contact with their infected blood.
