A student places a piece of cucumber a glass piece, a banana peel and a plastic pen in a pit and closes it. What changes can be observed in these materials after a month ? Give scientific reason for these changes.

Explanation

Cumcumber piece and banana peel are organic substances.
They are biodegreadable substances and are ecofriendly.
Glass pieces and plastic pen are inorganic/synthetic substances.
They are non-biodegradable substances and cause soil pollution.