Question

Choose the odd one out of the following terms given and name the category to which others belong:
Sewage, newspaper, Styrofoam, Hay.

Answer 1

The odd one out is styrofoam.
Sewage, newspaper, and hay are biodegradable wastes.

Explanation

1. Wastes can be divided into two types- biodegradable and non-biodegradable wastes.
2. Non- biodegradable wastes are those organic wastes that cannot be broken down into simple compounds or decomposed by bacteria and fungi.
3. Plastics, crockery, glass articles, DDT, and styrofoam are examples of non-biodegradable wastes.
4. Biodegradable wastes are those organic waste that can be broken down into simple compounds or decomposed by bacteria and fungi.
5. Garbage, vegetable peels, fruit waste, livestock waste, and sewage are examples of biodegradable wastes.