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River water deposits alluvial soil. Alluvial soil- formed by the alluvium deposition by the rivers, when they slowly lose their carrying capacity due to decrease in velocity. These consists of diverse ratio of sand, silt and clay. These are the most widespread soil in India, the entire northern plains have loamy soil. It contains roughly equal amount of sand silt and clay. It is more fertile than sandy soil. Laterite soil-formed in hot wet tropical areas which are formed by intensive and long lasting weathering of underlying rocks and are rich in iron and aluminium.

1. The MIC gas tragedy occurred in Bhopal in 1984 and the Chernobyl tragedy (nuclear power plant) occurred in Ukraine in 1986.
2. River water deposits alluvial soil. Alluvial soil- formed by the alluvium deposition by the rivers, when they slowly lose their carrying capacity due to decrease in velocity. These consists of diverse ratio of sand, silt and clay.
3. Laterite soil-formed in hot wet tropical areas which are formed by intensive and long lasting weathering of underlying rocks and are rich in iron and aluminium.
4. None of the above.

Correct answer: None of the above.

Solution

The question stem is a soil description, but the listed options are mismatched: A is about disasters, and B/C are partial soil statements rather than the complete prompt. Since no option correctly corresponds to the full statement as asked, the correct choice is the fallback.

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