Posted by MANASSA.J. on Feb. 8, 2013, 9:32 p.m.
RAIN HAS ALWAYS BEEN ACID.IT REACTS WITH THE CARBON DIOXIDE SULPHUR DIOXIDE
RELEASED BY BACTERIA TO FORM A WEAK ACID.IT MEASURES ABOUT SIX ON THE PH SCALE.
BUT THE ACIDIC FUMES FROM BURNING COAL AND OIL MAKE RAIN MCH MORE ACIDIC.