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.
Scoria Scoria is the vesicular ejecta of basaltic and andesitic magmas. Generally a dark brownish black or red, scoria is generally thought of as the mafic version of pumice, forming when magma rich in dissolved gases is vented.Scoria is composed of volcanic glass fragments, and has few mineral crystals.Its specific gravity ranges from 0.8 to 2.1, making it a relatively light form of rock-sometimes light enough to float (at less than 1.0 specific gravity).coria is composed of volcanic glass fragments, and has few mineral crystals. Its specific gravity ranges from 0.8 to 2.1, making it a relatively light form of rock-sometimes light enough to float (at less than 1.0 specific gravity).