YES Silk is a biodegradable material as it mixes with soil easily
yes
No
A biodegradable is a material which is capable of being decomposed by biological activity.
An item that is not biodegradable is something that cannot be easily broken down by living organisms. A usual can is aluminum and this material is not biodegradable.
starch
YES Silk is a biodegradable material as it mixes with soil easily
Any substance that can be decomposed by bacterial action is referred to as biodegradable. For example, plastic is not biodegradable but paper is a biodegradable material.
A biodegradable card is a card made of decayable material which allow the card to decay. a.k.a. ROT
biodegradable.
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It depends upon the material of which the jar is made. If it is made of glass, as virtually all jam jars are, it is not biodegradable.