Question

What is biological magnification..

And what is biodegradable and non biodegradable...

Answer 1

Biological magnification often refers to the process whereby certain substances such as pesticides or heavy metals move up the food chain, work their way into rivers or lakes, and are eaten by aquatic organisms such as fish, which in turn are eaten by large birds, animals or humans.

A biodegradable material can be defined as a material which can be decomposed by b bacteria or other natural organisms and not be adding to pollution.
A Non-Biodegradable material can be defined as a kind of substance which cannot be broken down by natural organisms and acts as a source of pollution.