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Earthquake and Volcanoes — Geography STD 11 Arts — Question

Gujarat BoardEnglish MediumSTD 11 ArtsGeographyEarthquake and Volcanoes2 Marks
Question
The mantle chooses the benefactor.-Explain.
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Answer

  • The mantle that erupts during a volcanic eruption contains large amounts of minerals.
  • Lava rocks are eroded by external erosion factors. So the soil gets nutrients from rock fragments, soil, ash etc.
  • Potash-rich soils of volcanic slopes yield mbalakh crops.
  • The black cotton soil of South India is attributed to Lavaras.
  • Thus, mantle is conducive to increasing soil fertility.

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