Doornen - natural selection - Effects of Cigarette Smoking on Lung Function in.

 · Migraine is a common and sometimes debilitating disorder. This review describes the epidemiology, pathophysiology, and preventive and symptomatic treatment ...

The urban heat island effect leads to increased rainfall, both in amounts and intensity, downwind of cities. Global warming is also causing changes in the precipitation pattern globally, including wetter conditions across eastern North America and drier conditions in the tropics. [ citation needed ] Antarctica is the driest continent. The globally averaged annual precipitation over land is 715 mm ( in), but over the whole Earth it is much higher at 990 mm (39 in). [1] Climate classification systems such as the Köppen classification system use average annual rainfall to help differentiate between differing climate regimes. Rainfall is measured using rain gauges . Rainfall amounts can be estimated by weather radar .

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