What is the molecular formula of ozone?

Differentiate between biodegradable and non-biodegradable substances with the help of one example each. List two changes in habit that people must adopt to dispose of non-biodegradable waste,for saving the environment.

Ozone is deadly poisonous,still it performs an essential function. How?

Mention one negative effect of our affluent lifestyle on the environment.

What were the main reasons behind the "Ganga Action Plan" which was initiated in $1985$? What values can be learnt from such plans?

Which is the primary factor responsible for the depletion of the ozone layer?