Answer:
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.
Explanation:
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The kidney is usually removed by enlarging the umbilical port incision. MDN, an open approach to donor nephrectomy<span>, is commonly performed through a small flank incision, without rib resection.</span>
Answer:(a) Pulmonary hypertension is caused by changes in the cells that line the pulmonary arteries which makes the walls of the artery to become thick resulting in the blood vessels to become tight leading to high blood pressure. It makes the tiny arteries in the lungs to become narrow making it hard for blood to flow.
Explanation:(b)this disease is caused by smoking. She smoked 2 packs of cigarette a day .
(c)about 16million adults are suffering from chronic obstruction pulmonary disease( COPD) in the US but the American lung association thinks that there may be as many as 24million people with this disease (George Krucik MD sept. 2018)
(c) COPD is a leading cause of death in the US but he art and lung cancer can can lead to death.
