Submit. Â· just now. Report Abuse. when a rock is subjected to severe heat, then dramatic cooling onion weathering takes place. This is a form of physical weathering. The sudden change of temperature weakens the outer layer of rock and it will crumble away, this happens to rocks in the desert.
Definition. Common arterial trunk (CAT) is characterized by a single arterial trunk that arises from the base of the heart and gives origin to the systemic, coronary and pulmonary circulation. A large ventricular septal defect (VSD) is almost always present.
1. adjective. Arterial means involving or relating to your arteries and the movement of blood through your body. ...people with arterial disease. 2. adjective. An arterial road or railway is a main road or railway within a complex road or railway system. ...one of the main arterial roads through the city.