Activation Energy
The term activation energy refers to the minimum amount of energy required for a chemical reaction to occur. Most reactions require that atoms and molecules crash into each other wit...
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Environmentalism: The same day that Al Gore lectured Congress about man-made global warming, NASA made a startling announcement: The sun is hotter and more active than thought.NASA detailed new obs...
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NEW YORK (Reuters) - All three major U.S. stock
indexes plunged more than 2 percent Tuesday after a record
loss at Citigroup Inc and the worst showing for retailers in
five years fueled fears that...
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