Question

Why are some substances biodegradable and some non-biodegradable?

Answer 1

♤ Substances which are organic are biodegradable.Exmaple :- Agricultural waste

♤ Substances which are inorganic are non bio degradable. Example :- Polythene bags

♤ Decomposers can utilise organic substances as their food while other substances cannot be utilised by Decomposers as food .

♤ Due to this reasons some substances are biodegradable while other are non bio degradable.

Answer 2

Dear Substances -

● Biodegradable substances -

• Biodegradable substances gets decomposed in nature.
• Degradable waste doesn't accumulate and hence harmless.
• Usually organic waste is degradable.
• Example of degradable waste - fruits, vegetables, paper, cotton, etc.

◆ Non-biodegradable substances -

• Non-biodegradable waste doesn't decompose.
• It gets accumulated and is thus harmful.
• Inorganic waste is usually non-degradable.
• Examples of non-degradable waste - plastic, metals, synthetic polymers, etc.

Thanks dear. Hope this helps you...