Fluoride pollution primarily affects which of the following?

Which of the following atmospheric pollutants causes general chlorosis,i.e.,destruction of chlorophyll?

$DDT$ residues are rapidly passed through the food chain causing biomagnification because $DDT$ is:

$A$: Nitrate and phosphate discharge in a water body causes eutrophication.
$R$: This increases the inorganic content in the water body and hence the growth of algal blooms.

$dB$ is a standard abbreviation used for the quantitative expression of

Choose the incorrect sentence regarding an electrostatic precipitator.