Arrange the following pestidides in the chronological order of their release into the market.

Organophosphates Organochlorides Sodium chlorate

$\quad \text { (A) } \quad\quad\quad\quad\quad\quad\quad \text { (B) } \quad\quad\quad\quad \text { (C) }$

Which among the following is not a greenhouse gas?

Which among the following has the highest concentration of PAN?

Green chemistry refers to reactions which