Q. Acid deposition has been increasing in united states, since

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Q. In 1991, USA and Canada signed an agreement to reduce

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Q. Nitrogen oxide' gas reacts with water to form

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Q. Acid impairs plays vital role in nutrient cycle and:

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Q. What is an example of acid?

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Q. Acid deposition damages leaves of birch and needles of:

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Q. 'Sulphuric' and 'nitric' emission into atmosphere making stronger:

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Q. Mosses may also kills 'mycorrihizal fungi' that help trees to absorb

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Q. What is an estimated damage caused by acid rain to buildings in USA ?

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Q. 'VOCs' stands for

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Q. Dust, smoke, fly ash and fume are

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Q. Bacterial decomposition of organic matter, releases NO₂ into the

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Q. When ELR and ALR are equal, atmosphere is said to be

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Q. Air borne substances causes allergies are known as

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Q. Which group of hydrocarbons contains alkenes and alkynes?

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Q. 'Nitric acid' reacts with ozone, resulting in removal of

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Q. Natural particulates includes pollens, viruses, bacteria, and

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Q. What are 'anthropogenic' sources of CO?

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Q. Air pollution damages to building materials by

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Q. Alkenes is saturated 'hydrocarbons' and fairly

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