Question

write a short note on global warming and acid rain

Answer 1

*global warming= the increase in the temperature of the Earth due to increase in the concentration of carbon dioxide in air. it leads to unfavourable monsoon rains which causes changes in the pattern of Crop cultivation. it is also responsible for the melting of polar ice and glaciers thereby raising the water levels of Seas and oceans.
* acid rain= the oxides of sulphur, oxides of Nitrogen and carbon dioxide dissolved in water to form acid rain. acid rain is highly corrosive and damages metallic structures, monuments and buildings.

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Answer 2

our Body Works within pH range of 7.0 to 7.8 .living organism can survive only in a narrow range of PH change .when pH of water in is less than 5.6 it is called acid rain .when acid rain flows into the rivers,at lower the pH of the river water. the survival of Aquatic life in such rivers becomes difficult.