Which of the following principles of green chemistry suggests the use of chemicals made from plant-based sources?

$BOD$ stands for

Pollution can be controlled by

Which of the following is responsible for the depletion of ozone in the stratosphere?

Which of the following is a lung irritant that can lead to an acute respiratory disease in children?

Which of the following practices will not come under green chemistry?
$1$. Using soaps made of vegetable oils instead of synthetic detergents,whenever possible.
$2$. Using $H_2O$ for bleaching purposes instead of chlorine-based bleaching agents.
$3$. Using liquefied $CO_2$ for dry cleaning clothes and laundry.
$4$. Using plastic cans for neatly storing substances.