Why do some people put a space before punctuation?

The speech president kennedy's report to the american people uses logos, ethos, and pathos, which are

Need ! of all the characters highlighted in the works included in this unit, which one did you relate to or identify with the most in terms of his or her struggles and conflicts? why? what was it about this character that made him or her affect you as he or she did? be sure to point to specific examples from the work to support your response. the characters are from "shooting an elephant", " witchcraft for sale" and marriage is a private affair.

Which sentence is written using formal language? a) erin has a crucial appointment early monday morning. b) that was a real bogus tale charlie told the teacher. c) let me have a sneak-peak or i am simply gonna explode. eliminate d) i do not think tim will be here today; he's playing hookie.