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6. Natural Resources
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Q8 of 287 Page 350

Organisms such as lichens are very sensitive to the level of ………….in the atmosphere.

Lichens are sensitive to Sulphur dioxide because they have efficient absorption systems due to which they rapidly accumulate Sulphur from high levels of Sulphur dioxide in air.

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Greenhouse is related to

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Major source of air pollution is

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Major source of formation of soil is

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Solar radiation heat-up

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6. Natural Resources
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