The correct option is C Plastic bag, woolen cloth, cotton cloth, paper
∙ A material which gets decomposed through natural processes, such as action by bacteria, is called biodegradable.
∙ Paper takes approximately 10 to 30 days to degrade.
∙ Cotton cloth takes approximately 2 to 5 months to degrade.
∙ Woolen cloth takes approximately 1 year to degrade.
∙ Plastic bag takes several years to degrade.
Hence the correct order is: plastic bag, woolen cloth, cotton cloth and paper.