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Directions : (Q. Nos. 116-120) Read the passage given below and answer the question that follow by selecting the correct/most appropriate options. Where does all our garbage disappear once it leaves our homes? There are four methods of managing waste: recycling, landfilling, composting and burning. Each method has its strengths and weaknesses. Recycling is the process of turning waste into new materials. For example, used paper can be turned into paperboard, which can be used to make book covers. Recycling can reduce pollution, save materials and lower energy use. Some argue that collecting, processing and converting waste uses more than it saves. Landfilling is the oldest method of managing waste. Landfilling is to bury garbage in a hole. Over a period of time the process of landfilling has advanced. Garbage is compacted before it is thrown into the pit. In this way garbage can fit in each landfill. Large garbage bags are placed at the bottom of a landfill, so that toxic garbage juice does not get into the groundwater. But in spite of the bags, landfills may pollute the underground water. Not to mention that all garbage stinks. Nobody wants to live next to a landfill. As landfill space increases, interest in composting grows. Composting is when people pile up organic matter such as food waste and allow it to decompose. The product of his decomposition is compost. Compost can be added to the soil to make the soil richer and better for growing crops. One thing that is easier to do is burning garbage. There are two main ways to burn waste. The first is to harvest fuel from the waste. The second is to burn the waste directly, the heat from this burning process can boil water, which can power steam generators. Unfortunately, burning garbage pollutes the air. Compacting of garbage is done to

Who is the painter of 'Saanwari'? ‘साँवरी’ चित्र किसने बनाया है?

प्राइमरी स्कूल के बच्चों के गणितीय अवधारणाअ‍ें के शिक्षण एवं अधिगम हेतु मूर्त सामग्रियों के विकास के लिए निम्नलिखित में से कौन संबद्ध है? इन्हें बहुआधार अंकगणित ब्लॉक/खण्ड के लिए भी जाना जाता है।

निम्नलिखित में से किस अवॉर्ड को ग्रीन ऑस्कर के रूप में जाना जाता है?

भारतीय संविधान की प्रस्तावना में ‘‘न्याय’’ की अवधारणा को................से लिया गया है।

Who among the following discovered the antibiotic producing fungus from Penicillium genus? निम्नलिखित में से किसने पेनिसिलियम जीनस से ऐंटिबायोटिक उत्पादक कवक (फंगस) की खोज की?

कपटी मित्र के लिए सही मुहावरा है–

कितनी जनसंख्या के परिप्रेक्ष्य में ग्राम पंचायत के गठन का प्रावधान किया गया है ?

The ratio of sand to gravel in a mixture is 17 : 8 while that between gravel and cement is 6 : 17. What is the ratio of sand to cement in the mixture?