Metro PCS's Best Toll-Free/800 Customer Phone Number This is Metro PCS's best phone number, the real-time current wait on hold and tools for skipping right through those phone lines to get right to a Metro PCS agent.
Making the world better, one answer at a time. Thin air is caused by low oxygen pressure at high altitudes. The lack of oxygen makes the air less dense. Thin air is caused by low oxygen pressure at high altitudes. The lack of oxygen makes the air less dense.
These 10 animal facts will amaze you. The lining of the lungs, called the pleura or pleural membranes, consists of thin membranes that cover the lungs and provide protection and support. Some diseases can cause these membranes to thicken, often as a result of inflammation. Pleural thickening is commonly linked to mesothelioma and asbestosis, which are caused by asbestos exposure. The condition can also be caused by other diseases such as sarcoidosis and tuberculosis.