Which is not a chemical pollutant?

Which of the following is not a chemical pollutant ?

What are chemical pollutants ? Give some examples.

Pollution of water originates mainly from human activities. How do chemical pollutants cause eutrophication?

Choose the correct words to fill in the blanks . Pollutant is defined as , a substance or an agent which causes pollution. …… and ….. are chemical pollutants . Pollutants can be ……. which rapidly break down by ….. process .

Choose the correct words to fill in the blanks . Pollutant is defined as , a substance or an agent which causes pollution. …… and ….. are chemical pollutants . Pollutants can be ……. which rapidly break down by ….. process .