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How are the earth's principal biological systems being depleted? - English Core

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प्रश्न

How are the earth's principal biological systems being depleted?

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उत्तर

According to Mr. Lester R. Brown, there are four principal biological systems of the earth. These systems are fisheries, forests, grasslands, and croplands. However, due to the increasing demand for human beings to such an ‘unsustainable’ extent, the productivity of these systems is being hampered. The excessive demand results in deterioration and depletion of these resources. A country where protein is consumed on a large scale, over-fishing is common, which leads to the collapse of fisheries in that area. Grasslands have been turned into deserts and the production of crops is decreasing. The forests are destroyed in large proportions to obtain firewood. The depletion of tropical forests has also led to the extinction of several species.

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अध्याय 5: The Ailing Planet: the Green Movement’s Role - Understanding the text [पृष्ठ ४७]

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एनसीईआरटी English (Core) - Hornbill
अध्याय 5 The Ailing Planet: the Green Movement’s Role
Understanding the text | Q 3 | पृष्ठ ४७

संबंधित प्रश्न

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(iii) Why does Louka remind Sergius that she is a servant? 
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Fill in each of the numbered blanks with the correct form of the word given in brackets. Do not copy the passage, but write in correct serial order the word or phrase appropriate to the blank space. 

Example:
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Answer: sitting

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What do you notice about the beginning and the ending of the poem?


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5.mutatis multanis

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  • Delhi
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