Question

Composting is carried out from

• A. Sewage sludge
• B. Rubbish
• C. Garbage and sewage sludge
• D. Industrial wastes

Answer 1

The correct option is C Garbage and sewage sludge

Compost is the nutrient rich organic matter that is formed by the decomposition of plant and animal material. The process of making compost is called composting. The microbes break down the organic matter into humus that contains nutrients beneficial to plants. Compost is used to increase the fertility of the soil and aid the growth of plants. Compost can be made from various raw materials that are biodegradable. This include vegetable peels, kitchen waste, garbage and even sewage sludge too as it contains the bacteria that carry out the decomposition of organic matter.

So, the correct answer is 'Garbage and sewage sludge'.