Monthly Archives: May 2008

Magnetic Storms

The term “magnetic storm,” meaning a world-wide magnetic disturbance, was coined by Alexander von Humboldt (1769-1859). A naturalist who gained attention by exploring the jungles of Venezuela, Humboldt devoted much of his life to the promotion of science. He produced five … Continue reading

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How does water pollution occur?

Water covers 71% of the earth’s surface and makes up 65 % of our bodies. Everyone wants clean water– to drink, for recreation, and just to enjoy looking at. If water becomes polluted, its loses its value to us economically … Continue reading

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Reefs in India

z GULF OF KACHCHH The Gulf of Kachchh reefs (22º15`-23º40`N; 68º20`-70º40`E) are the northernmost of India. The coral growth occurs in the form of fringing reefs on the wave-cut sandstone banks around 32 islands among the 42 that adjoin the … Continue reading

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Distribution of Volcanic Activity

Volcanic activity is widespread over the earth, but tends to be concentrated in specific locations. Volcanoes are most likely to occur along the margins of tectonic plates, especially in subduction zones where oceanic plates dive under continental plates. As the … Continue reading

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