Rain is called acid rain when its pH is below

Options :
  1. 7
  2. 6
  3. 6.5
  4. 5.6

Answer and Explanation :-

Answer: Option 4


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I wake up and tear drops, they fall down like rain. I put on that old song we danced to and then, I head off to my job cause not much has changed. Punch the clock, head for home, check the phone. Just in case. Go to bed, dream of you. That's what I am doing these days.
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