How much is a Second Class stamp? <a href=" http://cardenoftucson.org/where-can-i-buy-esomeprazole.pptx ">cheap nexium 20mg</a> In order to take a closer look at what conditions influence tornados, the researchers surveyed 56,457 tornado-like events from 1950 to 2011. In the end, they found that when surface sea temperatures were warmer than average, the U.S. experienced 20.3 percent more tornados that were rated EF-2 to EF-5 on the Enhanced Fujita (EF) scale. This scale ranges from zero to five with five being the strongest tornado.
|
