A. Erosion and trampling by animals
B. Poor agricultural practices and excessive water
C. Over-grazing and extensive ploughing
D. Erosion, poor agricultural practices and over grazing
Forestry MISCELLANEOUS
Forestry MISCELLANEOUS
A. Construction of canals
B. Construction of bridges
C. Rapid urbanization
D. Erosion
A. Fertility
B. Porosity
C. Thickness
D. Nitrates
A. Sulphate fertilizers
B. Insecticides
C. Phosphate fertilizers
D. Nitrate fertilizers
A. Insecticide
B. Pesticide
C. Herbicide
D. Germicide
A. Useless organism
B. Harmful life
C. Wild life
D. Enemies of man
A. Textile industry
B. Leather industry
C. Chemical industry
D. Soap industry
A. Nuclear power plants
B. Hdroelectric power
C. Fossil fuels
D. Solar energy
A. Radioactive element
B. Radioactive cell
C. Radioactive atom
D. Radioactive substance
A. Uranium-234
B. Uranium-235
C. Uranium-236
D. Uranium-237