Carbon monoxide is a pollutant because

Which of the following is used to remove particulate matter from industrial exhaust?

Which measures can be taken to control noise pollution?
$I-$ Use of sound-absorbent materials or mufflers in industries.
$II-$ Creating horn-free zones around hospitals and schools.
$III-$ Setting permissible sound levels for firecrackers and loud speakers.
$IV-$ Restricting the use of loudspeakers after a certain time.

Where did the epidemic bone-softening disease 'Itai-Itai' occur first?

Rachel Carson's famous book "Silent Spring" is related to

Acid rain is caused due to an increase in the concentration of which of the following in the atmosphere?