034 ACID RAIN ERODES OUR HOUSES MADE OF LIMESTONE - PowerPoint PPT Presentation

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034 ACID RAIN ERODES OUR HOUSES MADE OF LIMESTONE

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Acid rain is a consequence of pollution. Acid rain is a consequence of several undesirable gases especially the oxides of sulfur and nitrogen in the atmosphere released due to human activity such as industries. These gases combine with rain causing acid rains. – PowerPoint PPT presentation

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