A. More
B. Less
C. Equal
D. Somewhere more somewhere less
Pollution
Pollution
A. Phosphate rock only
B. Agricultural fertilizers only
C. Sewage and phosphate rock
D. Sewage and agricultural fertilizers
A. Beggiota
B. Chlorella
C. Azospirillium
D. Escherichia
A. Soil and water
B. Air and soil
C. Crops and air
D. Air and water
A. China
B. Antarctica
C. Europe
D. Africa
A. Refinery
B. Distillary
C. Textile mill
D. Paper mill
A. Leaves
B. Flowers
C. Stems
D. Roots
A. Water
B. Air
C. Noise
D. Soil
A. Biopollutants
B. Ozone layer
C. Nuclear blast
D. Deforestation
A. Pollutants in air
B. Use of detergents
C. Water pollution
D. Depletion of O3 layer