1. Please 1) define systems theory and the terms open and closed systems, 2) define and correctly distinguish between positive and negative feedback, and 3) give an example of both positive and negative feedback in your own words. (10 points)1. Please 1) define systems theory and the terms open and closed systems, 2) define and correctly distinguish between positive and negative feedback, and 3) give an example of both positive and negative feedback in your own words. (10 points)