Multiple choice

Which of the following are easily biodegradable?

  1. Iron nails

  2. Leather belts

  3. Silver foils

  4. Plastic mugs

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Leather belts are easily biodegradable. Leather product is naturally biodegradable and chemicals are added to prevent that. Leather products can last thousands of years and the toxic chemicals with which they are infused leach into the environment during that time.