Question

what is wood biodegradable & non biodegradable

Answer 1

It is so because many of the bacteias and insects like wood cutting scissor .

Answer 2

biodegradable are the kind of objects which can be degraded in a matter of time under certain weather soil air water these objects are not harmful for the environment instead of that they are useful for environment
whereas
Non Biodegradable all kind of objects which cannot be degraded in the matter of time, it may not degrades or may take a long duration of time to be degraded these type of things are harmful for the environment
wood is biodegradable because it is composed of organic things carbon etc