Which of the following pairs represents biodegradable materials?

The correct answer is Leather belt : Wool.Key Points

• Biodegradable materials are those that can be broken down naturally by microorganisms into simpler substances that can be reused in nature.
• Wood, wool, cotton, animal excrement, and any other organic substance that may be broken down by microorganisms into simple organic molecules such as methane and carbon dioxide are examples of biodegradable materials.
• They're frequently called "bio-waste."
• Leather belt is a biodegradable material made of animal skin, which can be decomposed naturally by microorganisms in the soil.
• Wool is a natural fiber obtained from sheep, which is a biodegradable material and can be decomposed naturally.

• Since non-biodegradable materials do not readily react with or disintegrate in soil, they are not easily influenced by natural processes.
  • Among the objects that are frequently utilized in daily life are plastic items, bottles, cans, aluminum scraps, glasses, supermarket bags, Styrofoam (polystyrene), and metal scraps.
• Silver foil is a non-biodegradable material made of metal.
  • It does not decompose naturally and remains in the environment for a long time, causing pollution.
• Iron nails are also non-biodegradable materials made of metal, which do not decompose naturally and cause environmental pollution.