m8ty
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have you ever wondered why all the vegetation turns so green after a good rain? well i found the answer when i came across this read and I would like to share it with you... check it out.
Rain Water as a Chemical Agent of Geologic Process.
http://pubs.usgs.gov/wsp/1535g/report.pdf
Rain Water as a Chemical Agent of Geologic Process.
http://pubs.usgs.gov/wsp/1535g/report.pdf