rise+in+bubbles
21Stock market bubble — A stock market bubble is a type of economic bubble taking place in stock markets when price of stocks rise and become overvalued by any measure of stock valuation. The existence of stock market bubbles is at odds with the assumptions of efficient …
22Late-2000s recession — This article is about economic recession during the early twenty first century. For background financial market events dating from 2007, see Late 2000s financial crisis. Late 2000s recession around the world Africa Americas South America United… …
23Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… …
24igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …
25Evolutionary history of life — Although evidence of early life is scarce and often difficult to interpret, it appears that life appeared on Earth relatively soon (on the geologic time scale) after the planet had cooled enough for liquid water to be present. The dominant theory …
26baking — Process of cooking by dry heat, especially in an oven. Baked products include bread, cookies, pies, and pastries. Ingredients used in baking include flour, water, leavening agents (baker s yeast, baking soda, baking powder), shortening (fats,… …
27human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
28volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …
29Mineral processing — Crushing, a form of comminution, one of the unit operations of mineral processing In the field of extractive metallurgy, mineral processing, also known as mineral dressing or ore dressing, is the process of separating commercially valuable… …
30industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
