Greenhouse gases can be removed from the atmosphere by various processes, as a consequence of: 1  a physical change (condensation and precipitation remove water vapor from the atmosphere). 2  a chemical reaction within the atmosphere. 3  a physical exchange between the atmosphere and the other compartments of the planet.
What we can say is that the vast majority of people infected with HIV will develop AIDS sometime during their life (an average of 10 years or more after infection), and with early intervention and treatment, they could potentially live with AIDS for many years more.
The last stage of HIV (human immunodeficiency virus) infection is AIDS (acquired immune deficiency syndrome). Once you get an HIV infection, you have it for life, but it does not progress to AIDS in all people. With antiretroviral therapy treatment (ART) many people can live a normal life expectancy with HIV infection. FACT. HIV is not spread from casual contact, air, water, sharing dishes, toilet seats, or saliva.