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 average number of years an autistic person is expected to live is about 78 years old. Autism is not a life threatening disease and it is not a disease to start with on its own. [ Source: http://www.chacha.com/question/how-long-do-autistic-people-live ]. More Answers to  How long do autistic people live .