Biology- Environmental Issues

Which one of the following impurities is easiest to remove from wastewater?

Nuisance growth of aquatic plants and bloom-forming algae in natural waters is generally due to high concentrations of

Which of the following causes biomagnifi

Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change unbumt hydrocarbons into

Phosphate pollution in a waterbody is brought about by

Increase in the concentration of pollutants/chemicals in higher trophic levels, is known as

Ozone hole is the largest over

Increase in cases of skin cancer and high mutation rate are the result of

Polyblend was first developed by

Good ozone is found in the