Pollutants are mostly produced by natural processes.

Cytokinins are mostly produced in

Flatworms are mostly

Cytokinis are mostly

Those pollutants which are readily degradable by natural process are called

Those pollutants which are readily degradable by natural process are called

In kidneys, urine is produced by three processes

[A] : PAN is a secondary pollutant . [R] : The secondary pollutants are produced by the combination of primary emitted pollutants in the atmosphere .

Alluvial soils are mostly found in

Plant viruses mostly contain

Bast fibres are mostly found in -