Answer:
It is considered to be a bit disrespectful to write to a teacher in an unprofessional, casual manner, the way you would a friend because you aren't close on a personal level. Of course it depends on the teacher and subject of the letter/email/etc. as well.
In a persuasive essay, the writer tries to convince the reader to agree with the point of view presented, while in an expository essay, the writer describes and explains all sides of a topic or issue
I think the most important factor to student learning is engagement
As student engagement helps students learn things easier then they engage with the material.
blind . because so many people would do anything for their loved ones