Q. Which predators lose a rich food source, when pollutants kill aquatic insects ?

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Q. Acid dissolved nutrients and valuable minerals from the

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Q. An acid is a chemical substance, that adds hydrogen ion to the

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Q. In plants, acids inhibit process of

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Q. In acid rain, water dissolves toxic elements from rocks such as:

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Q. Acid deposition weakens plants by damaging their

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Q. What does sulphur and nitrogen form with water in atmosphere ?

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Q. What does coal and oil contain ?

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Q. Bathe spruce and fir trees on mountains are more acidic than

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Q. Lakes which are located downwind from major industrial centers, vulnerable to

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Q. What is 'pH' of water?

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Q. Acidification of surface water is responsible for decline in population of

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Q. What is 'pH' of fog down wind ?

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Q. In some instance, plants and acid rain enhance soil fertility and improve

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Q. What does plant produce in bacterial decay of organic material ?

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Q. Both, vinegar and lemon juice has a

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Q. What is 'PH' of rainwater ?

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Q. What does needles and leaves develop ?

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Q. Lowest 'pH' measurement observed in kane and Pennsylvania, was approximately

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Q. In Europe and Scandinavia, 'PH' value of rain and snow is

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