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.
I would oppose it. Studies show teens biological clocks naturally want to go to bed later and wake up earlier. By making school and hour earlier this makes teens more groggy especially because their bodies do not want to go to sleep earlier so this can cause sleep deprivation which will make school work less concentrated and makes teens attitudes about school worsen.
Theme : Little things can make a big difference
Both poems from different authors include a point of view of aging.
I look into my Glass by Thomas Hardy talks about himself and how he notices the big change he had as he was growing old, he talks about his feeling and how they're still the ones he had once as a young man.
When you are old by William Buttler Yeats talks about his beloved one and the kind of love people may have towards her, this poem was written way before she was old but it is possible that it was a thought about the years to come.
Time flies:clasue
forgive and forget:phrase
whentime comes to a stop:clause
before midnight:phrase