cam just discussion 1

In a minimum of 150 words, define three significant differences between the open and closed systems.

Your assignment must reflect at least three (3) reference sources (i.e., journal articles, magazines, newspapers, or articles), APA formatted paragraphs with in-text citations, and an APA formatted reference list to receive full credit. References must be material within five (5)  years of the date of this class. Please do not submit any material without the author's name or the original published date. Any citation within an author or date is not acceptable citation information.