The correct option is Iron nails, Glass Bottle, Steel Mug, Cardboard BoxConcept:Biodegradable:Substances that are broken down by biological processes (with the help of some bacterias) are said to be biodegradableEx- paper, food products, cotton, cow dung, organic waste etc.It can be suitably disposed of as we need not worry about its decomposition which will take place naturally.In the use of waste such as food waste, vegetable peels etc. it gets decomposed through bacterial action. Biodegradable waste is not harmful.Non- Biodegradable:Substances that are not broken down into simpler organic or inorganic compounds in this manner are said to be non-biodegradableEx- Pesticides like DDT (dichlorodiphenyltrichloroethane), toxic chemicals, metals, polythene, few fertilizers, dyes, rubber goods, pharmaceuticals waste etc.If these substances simply persist in the environment for a long time or may harm the various members of the ecosystem.These will have to be recycled or suitably treated and reused if possible so that environmental degradation is not there.Explanation:Reuse:As much as possible try to use a substance for as long as and in as many ways as possible.Example: Reuse wrapping paper, plastic bags, boxes.Recycle: Recycling is the most environmentally friendly waste disposal method, which means collecting waste and produce a new product from it.Example: recycling of glass can be made to produce new glass jars and bottles or tiles.Important PointsComponentsCan be RecycledPolythene BagYesPaperYesBatteriesNoMobile phonesNoBedsheetsNoNewspaperYesPlastic BottleYesIron nailsYesGlass BottleYesSteel MugYesCardboard BoxYesLeather bagNoWooden tableNoPlastic VaseYes