Q17: Which one of the following resources can be acquired by a
Nation?
(a) Potential resources
(b) International resources
(c) National resources
(d) Public resources
Q18: Which one of the following is mainly responsible for sheet
erosion?
(a) Underground water
(b) Wind
(c) Glacier
(d) Water
Q19: Which one of the following method is used to break up
the force of wind?
(a) Shelter belt
(b) Strip Cropping
(c) Contour ploughing
(d) Terrace farming
Q20: Which one of the following is the main cause of land
degradation in Madhya Pradesh?
(a) Over cultivation
(b) Overgrazing
(c) Deforestation due to over mining
(d) Over Irrigation
Answers
Answered by
1
17 Food crops and other food materials.
Minerals and different types of metals.
Fuel resources are also very important.
Clothes,and other daily usage things are also important resources.
18 Wind
Answer: Wind is responsible for sheet erosion, because in sheet erosion, it is necessary for the soil to be erased by the wind layer by layer, so that is called sheet erosion.
19 Shelter belt
Shelter belt is the method used to break up the force of wind ..
20 Over irrigation is main cause of land degradation in Punjab due to waterlogging leading to increase in salinity and alkalinity in the soil. Punjab, Haryana, Uttar Pradesh are the states facing issue of land degradation.
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Answered by
2
Answer:
17)
(c) National resources
18)
(d) Water
19)
(a) Shelter belt
20)
(c) Deforestation due to over mining
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