Depending on which part of the nervous system is affected, symptoms could include headache, dizziness, memory loss, numbness, pain, vision problems, and difficulty walking. Mount Sinaiâs NeuroAIDS Program specializes in diagnosing and treating the full range of HIV-related neurological disorders.
Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane, water vapor, and nitrous oxide, while others are synthetic. Those that are man-made include the chlorofluorocarbons (CFCs) , hydrofluorocarbons (HFCs) and Perfluorocarbons (PFCs), as well as sulfur hexafluoride (SF 6).
The noble gases are the elements in Group 18 of the periodic table. These are the inert gases, and they include helium, neon, argon, krypton, xenon and radon. The chemical sym â¦ bols for these elements are He, Ne, Ar, Kr, Xe, and Ra, respectively. 5 people found this useful.