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.
Learn about the factors that influence how long people live with this cancer. Life expectancy is the estimated number of years a person is expected to live. The average life expectancy for people in the U.S. is around 78 years, but asbestos-caused cancers, such as mesothelioma and lung cancer, often cut lives short.