The medium present in the environment which consumes some amount of certain pollutant is called a

The medium present in the environment which consumes some amount of certain pollutant is called a
The medium present in the environment which consumes some amount of certain pollutant is called a
The medium present in the environment which consumes some amount of certain pollutant is called a
The medium present in the environment which consumes some amount of certain pollutant is called a

called