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36 . The type of mass movement characterized by a slow and gradual down slope movement is known as
A. Creep B. Rockfill
C. Landslide  D. Mud flow

37 . The natural disastrous events like volcanoes, earthquakes, cyclones, bring about environmental changes which are
A. Reversible B. Irreversible
C. Both (a) and (b) D. None of these

38 . Which of the following is not caused by the use of fertilizers in agriculture?
A. Eutrophication 
B. Methemoglobinemia
C. Acidification and Salinity of soils
D. None of these

39 . Anthropoginal activities means :
A. Human activities
B. Natural activities
C. Bacteriological activities
D. Wild animals activities

40 . Which of the following is major Environmental issues in Mining activities?
A. Water pollution
B. Soil Degradation
C. Air pollution and Dust
D. All the above



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