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Q.‘‘Human beings are directly dependent on nature for resources which sustain them.’’ Examine the statement.

(OR)
‘‘The knowledge about nature is extremely important to develop technology.’’ Examine the statement.
CBSECBSE Class XII Board 2019Subjective· 3mImportance★★★★★
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Part (a): Humans depend directly on nature for all sustaining resources — food, water, energy and raw materials — and for life-support processes.

Part (b): Knowledge of nature is the basis of technology, since all inventions apply an understanding of natural laws.

The statement "Human beings are directly dependent on nature for resources which sustain them" is fundamentally true. Strip away the layers of economy and technology, and every human activity rests on what nature provides. Our food depends on fertile soil, the water cycle, sunlight and pollination; our energy comes from fossil fuels (stored ancient sunlight), and from the sun, wind and flowing water; and the raw materials of industry — metals, minerals, timber, fibres, petroleum — are all drawn from the Earth and its living things. Even synthetic products can be traced back to petrochemicals or plant materials.

Beyond these tangible resources, nature also performs life-supporting services free of charge: forests and oceans regulate climate and supply oxygen, wetlands filter water, and soil microbes recycle nutrients and break down waste. Human beings cannot manufacture these processes; no technology has replaced photosynthesis or created a closed life-support system independent of the biosphere. This dependence is direct and physical, not merely financial — when a river dries up or soil erodes, no economic arrangement can create a substitute. Hence humans remain inescapably dependent on nature for their survival.

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