Mold inspections usually refer to examinations of a home or structure for evidence of mold problems. Remediation involves the steps that specialists take to remove the mold. Learning the difference between these two services can help you save money.
The crystal structures of galena (PbS) and halite (salt or NaCl) are identical, so it is not surprising that the two exhibit similar perfect cubic cleavage. Both minerals will break along three directions of weakness that meet at right angles.
216), better known as Galen of Pergamon (/ËÉ¡eÉªlÉn/), was a prominent Greek physician, surgeon and philosopher in the Roman empire.alen's theory of the physiology of the circulatory system endured until 1628, when William Harvey published his treatise entitled De motu cordis, in which he established that blood circulates, with the heart acting as a pump.