Earth Science





Ddt and Bald Eagles

Shortly after World War Two, the pesticide DDT was introduced to American agriculture.  This pesticidal wonder eradicated any insect it came in contact with and was used not only on crops, but in coastal marshlands to control salt marsh mosquitoes. …
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How does Snow Form

The freezer in your refrigerator sure knows how to make snow.  In fact, it is the best place to observe the process.  This, however, will detract significantly from the mystery and the magic, which surround snow, as we know it….
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How does Hail Form

Hail stones are pellets of ice, ranging in size from a pea to a grapefruit, that fall from the sky as precipitation.  Hail occasionally does significant damage to property or crops, and very rarely seriously injures or even kills people….
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El Nino

The El Nino circulation pattern interrupts the normal circulation of the Pacific Ocean at irregular intervals ranging from 2 to 7 years. During the normal years that occur between El Ninos, surface temperatures along the coasts of Peru and Ecuador…
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