Today in my environmental class, we learned about water cycle. Water cycle is the continuous movement of water into the air, onto land, and then back to water sources. During water cycle, there are three major processes of the water cycle which includes evaporation, condensation and precipitation. Evaporation is the process when liquid is heated by the solar energy and rises into the atmosphere as water vapor. In the process of condensation, that water vapor forms to water droplets on dust particles which we commonly know as clouds. And last but not least, precipitation is the process when these droplets become large enough to fall from clouds as we commonly known as rain or snow. Then I started to wonder what is acid rain, how and why does it occur. So I started to research about them.
First of all, students should understand the term of acid rain. According to my research, acid rain is rainfall made sufficiently acidic by atmospheric pollution which causes our environment to be endanger. We can understand acid rain more easily by thinking that acid rain equals to bad rain. Then why does it occur? The main cause of the acid rain is because of people's activity that harm our environment. Just like our my previous blogs, the main reason for the acid rain is burning fossil fuels or coals, waste gases, producing carbon dioxide, and etc... that easily pollute our air. Yes, air pollution is the reason why the acid rain occur. To be more specific, gases that contain sulfur and nitrogen oxides are later form and turns out to be acidic. Then how does it occur? There are few ways that these pollution can be part of water cycle. The polluted gases can directly go to the process of condensation which go to cloud and become acidic rain. On the other hand, the pollution can mix with the water and which goes to the process of evaporation.
After researching, I have fully understand the acid rain and reason why it occurs. In order to stop that, people should stop polluting air. Otherwise, the rain that we must encounter could be hazardous to our life and could disturb our happy life.
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