Arrange the following in ascending order based on their $BOD$ value:
$I -$ Sewage water,$II -$ Distilled water,$III -$ Tap water

What is the effect of eutrophication on water bodies?

The process of aging of a lake by human activities occurs at a very rapid rate,which is called......

$CO$ is highly hazardous to animal health,but on plants,this gas does not seem to show adverse effects.

Electrostatic Precipitator $(ESP)$:
$I.$ Is an electrical device to remove particulate matter present in the exhaust of thermal power plant.
$II.$ More than $99\, \%$ particulate matter can be removed by this method.
$III.$ $ESP$ has electrode wires and a stage of collecting plates.
Which of the statements given above are correct?

What is Noise? State the effects of it and mention the measures to control it.