Q. High concentration of SO₂, NO₂, CO₂, SPM in atmosphere, causes threats to

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Q. What is common in all ecosystem?

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Q. What is function of biosphere?

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Q. Which ecosystem is important in purifying air, recycling water and controling climate?

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Q. What are materially closed ecosystem?

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Q. Wide spread use of chemicals in agriculture and industry has

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Q. Which is a distinct biological community ?

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Q. What is input of naturally subsidized solar powered ecosystem?

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Q. In which ecosystem sun is main source of energy ?

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Q. What are sources of energy an ecosystem rely on ?

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Q. 'Folsom bottles' were created by

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Q. What are examples of fuel powered ecosystem?

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Q. In man subsidized powered ecosystem, power or energy input by man is, in form of

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Q. What are examples of lotic water?

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Q. How many categories an aquatic biome is divided into ?

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Q. In biosphere, energy is received from sun, and interior of

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Q. Anthropogenic pollutants have overloaded system, while natural equilibrium is

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Q. What are names of aquatic biomes?

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Q. What is anthropogenic activities?

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Q. Terrestrial vegetation has rapid exchange of oxygen, water and

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