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.
Cloud forests grow at high elevations in tropical mountains are home to a wide array of plant and animal species, which are under threat from climate change. Cloud forests grow at high elevations in tropical mountains are home to a wide array of plant and animal species, which are under threat from climate change. News Tech