Acid rain is caused by increase in the atmospheric concentration of:

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Acid rain is caused by increase in the atmospheric concentration of:

Options

(a) SO3 and CO
(b) CO2 and CO
(c) O3 and dust
(d) SO2 and NO2

Correct Answer:

SO2 and NO2

Explanation:

60 -70% SO₂ and 20 -30% NO₂ contribute in the acid rain.

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Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)

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