Examlex
For people who do not take anti-viral drugs,it takes an average of three to five years for an HIV infection to progress to AIDS.
Mafic Minerals
Dark-colored minerals that are rich in magnesium and iron, commonly found in basalt and gabbro.
Igneous Rocks
Rocks formed from the cooling and solidification of molten magma or lava.
Volcanic Glass
A shiny and smooth rock formed when molten lava cools rapidly without crystallizing.
Cooling
The process of losing heat, leading to a decrease in temperature; can refer to geologic formations solidifying from molten states.
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