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The Iron Curtain signified the alliance of NATO nations a division between political ideologies the alliance Warsaw Pact nations recipients of Marshall Plan dollars
Weegy: C. Warsaw Pact name of the alliance established by European Communist nations in response to NATO [ ] (More)
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Asked 6/3/2013 11:47:04 AM
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explain how the global sea surface temperature is affected by solar activity.
Weegy: Chemicals in the stratosphere and sea surface temperatures in the newly discovered interactions between the Sun and the Earth affect our climate.thank you so much for using weegy. (More)
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Asked 6/4/2013 9:44:08 AM
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In your own words, explain the behavior of Earth's magnetic field in the Van Allen Radiation Belt.
Weegy: A fundamental property of magnetic fields is that they exert forces on moving electrical charges. [ Thus, a magnetic field can trap charged particles such as electrons and protons as they are forced to execute a spiraling motion back and forth along the field lines. As illustrated in the adjacent figure, the charged particles are reflected at "mirror points" where the field lines come close together and the spirals tighten. One of the first fruits of early space exploration was the discovery in the late 1950s that the Earth is surrounded by two regions of particularly high concentration of charged particles called the Van Allen radiation belts. The inner and outer Van Allen belts are illustrated in the top figure. The primary source of these charged particles is the stream of particles emanating from the Sun that we call the solar wind. As we shall see in a subsequent section, the charged particles trapped in the Earth's magnetic field are responsible for the aurora (Northern and Southern Lights). ] (More)
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Asked 6/4/2013 9:52:47 AM
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