What is acid rain?



How do mammals breath in water








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Acid rain is defined as rain with a pH of below 4.0 - 4.5.
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acid rain happens when rain occurs while pollution is in the air
i think acid rain happens when rain occurs while pollution is in the air

Answers

2013-12-23T14:51:05+08:00
They go on the surface in the water and breath
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