On the flip side, one barrier to persuading others is your age. Many grown ups will look at you and think, "You are just a kid. What do you know?" But in writing you can level the playing field. If you present yourself well using an accepted format, you can often get others to see your point, and win them over.
But what is an accepted format? There are 2 main formats: Full Block, and Modified Block.
This is an example of a letter done in the full Block Format. Here is another one. See how they are different? You could leave off the return address altogether if you were printing your letter on Letterhead stationery.
There are several parts of this letter that all have names and specific qualities. You can learn the Vocabulary of the business letter here.
Modified Block will follow...