SUBDUCTION ZONES and ISLAND ARCS. Subduction Zones are where cool lithospheric plates sink back into the mantle. It takes about 50 my for the ocean lithosphere that formed in the hot (>1000C) environment at mid-ocean ridges to cool to an equilibrium state and sink to its maximum depth below sea-level.
Ebola generally starts with flu-like symptoms. Though it's known for the extreme hemorrhagic symptoms -- the bleeding out of the eyes, etc. -- not everyone will experience these. In fact, only 20 percent of people will have [these extreme symptoms] Bhadelia said.
Ebola strikes fear in people all around the world, and thereâs no reason it wouldnât. It first appears as many other infections â with headaches, sore throats, and fevers â and then quickly turns a personâs immune system against the bodyâs organs, causing blood vessels to explode, and internal and external bleeding.