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problem 1: Fill up the blanks:

a) Removal or loss of fertile top soil is termed as …………..

b) Heavy rainfall resultant in deep cuts in the soil is termed to cause ……….. erosion.

c) Shelter-belts give protection against ……….. erosion.

d) The prominent appearance of ……….. in the water bodies point out eutrophication.

problem 2: Answer the given problems:

a) Describe different types of soil erosion.

b) How can soil be conserved?

c) Illustrate the main factors responsible for causing water logging?

d) How can health be influenced by water-logging?

e) Illustrate the differences between the saline and alkaline soils?

f) How does salinization take place through faulty irrigation practices?

g) What are the main causes and effects of the deforestation?

h) Describe the degradation of an aquatic ecosystem due to the eutrophication.

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  • Category:- Science
  • Reference No.:- M98215

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