Wednesday, 24 May 2017

                                          writing assignment

acid rain

acid rain very effects with the environment. tree died destroy
building and damage for the animal.  normal rain water =
5.6 pH  This is because of CO2 which dissolves in rainwater and forms carbonic acid (a weak acid) but when ph then normal it call acid rain
acid rain make from bad gas likes sulfur dioxide from power station .power station made gas and the gas is go to in cloud then come to acid rain

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