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Q: Write a few lines on the nature and causes of problem of water logging and salinity.
Option | Answer | Is Correct |
---|---|---|
1 | Pakistan has been facing the problems of water logging and salinity in Punjab and Sindh respectively. Due to canal network in Punjab, seepage of water under ground increases the level of water crating the problem of water logging. in Sindh, problem of. salinity is due to water and wind erosion. Soil erosion brings the water on the surface and after evaporating, a while layer of salt cover the surface called salinity which is highly injurious for plants and vegetation. | |
2 |
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