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8.which is the effect of erosion in land with steep slopes?
A. landslides
B. loss of life
C. formation of sand dunes
D. land masses becoming wonders of nature

9.Which of the human activities cause so erosion?
A. digging, planting trees, construction,grazing
B. illegal logging, quarrying, construction of buildings
C. planting trees, strip cropping, terracing, reforestation
D. illegal logging, strip cropping, terracing

10.One rainy night, a flash flood and landslide occurred which resulted to loss of life and property. Which agents of erosion caused this?
A. animals and gravity
B. wind and water
C. gravity and wind
D. water and gravity​