Discuss the phenomenon and causes of water logging and salinity.

Waterlogging thrown areas) is affected by several factors which vary throughout the landscape. Waterlogging is caused by a combination of excess rainfall (for the site), poor external drain- age (runoff), poor internal drainage (water movement in the soil profile) and the inability of the soil to store much water.

answer; native americans who sometimes actively impeded railroad construction; physical obstacles like rivers and canyons, and

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