There are multiple reasons. The most simple answer is because the rain that we consider acidic has a low pH; it has a higher amount of hydrogen ions.
Why does this happen? One is because of the release of sulfur dioxide into the environment to which we humans often contributed. However, it is also possible that increased levels of nitrogen oxide would have this effect as well. And nitrogen oxide can be released through lightning or volcanic eruptions, so these are occurences in nature that don't have anything to do with humans.
Answer:
A model is a small exact copy of a thing.
Explanation:
Answer:
It is not good to cry over the spilt milk.
Answer: Formal
This excerpt is an example of formal writing. There are several ways in which we can identify this characteristic. The excerpt discusses an academic topic, which is a literary analysis of Emerson's writing. Moreover, the sample uses formal words, such as "stress" and "pre-eminent."
Answer:I really don't want you to do that
Explanation:
I'm a 7th grader
