Flu-like Illness. One of the earliest HIV symptoms in men is a severe 'flu-like' illness, known as the 'seroconversion illness.'. Seroconversion is the point in time where a person's blood is converted from being HIV negative to HIV positive, by the production of antibodies.
Erosion causes the surface of mountains to be younger than the rocks that form the mountains themselves. Glacial processes produce characteristic landforms, such as pyramidal peaks, knife-edge arÃªtes, and bowl-shaped cirques that can contain lakes.
Italy earthquake causes Apennine Mountains to grow by up to 4cm. Italyâs devastating earthquake has caused the Apennine Mountains to grow by up to 4cm in parts, research has found. The National Institute of Geophysics and Volcanology (INGV) said data from satellites and GPS stations show the range was permanently changed by the magnitude 6.2 quake because of movement along fault lines lying beneath.