The problem of ecology is now very acute for all mankind, and this is actually very scary. I am currently writing a small study on acid rain. On
https://envrexperts.com/free-essays/essay-about-research-acid-rain-issues/ I learned that acid rain is caused by pollution containing sulfur dioxide, nitrogen oxide, and ozone (SO, NOx and O) is thrown into the air. When acid rain hits the water, it mixes with normal water and causes the pH of the entire body to rise.
