Kyphosis (from Greek ÎºÏÏÏÏ kyphos, a hump) refers to the abnormally excessive convex kyphotic curvature of the spine as it occurs in the cervical, thoracic and sacral regions.
Aporia is an expression of insincere doubt. Clear definition and great examples of Aporia. This article will show you the importance of Aporia and how to use it.
Beryl is the gem mineral of emerald, aquamarine, morganite, red beryl, heliodor and more. Scoria: A piece of scoria about 4 inches (10 centimeters) in diameter. A specimen with a rounded shape like this was most likely blown from a volcanic vent and would be appropriately called lapilli.his color difference is a result of their composition. Scoria forms from basaltic magmas while pumice forms from rhyolitic magmas-which usually contain a more gas. Pumice has a much higher concentration of trapped bubbles-so many that the walls between them are very thin.