The gradual wearing awa or breaking down of rocks<span> by abrasion is a type of? This process causes </span>rocks<span> to change composition when reacting with oxygen? </span>The mechanical breakdown of rocks by the action of other rocks and sand particles is called<span>? ... water located within the </span>rocks<span> below Earth's surface.</span>
<span>The influenza pandemic of 1918-1919 killed more people
than the Great War, known today as World War I (WWI), at somewhere between
20 and
40 million people. It has been cited as the most devastating epidemic in
recorded world history. More people
died of influenza in a single year than in four-years of the Black Death
Bubonic Plague from 1347 to 1351. Known as "Spanish Flu" or "La
Grippe" the influenza of 1918-1919 was a global disaster. </span>