Add Adsense To Analytics

What is the difference between Google AdSense and Analytics?
Recently, I added my blog with Google Analytics, after my Turnover decreased drastically low. I do not know why. I like the differences between the two.
It not because of Analytics, Google Analytics is just to analyze your visitors. Adsense is an ad serving application managed by the owners of Google Website Inc. may enroll in this program to enable text, image, and, more recently, video advertisements on their websites. These ads are administered by Google and generate revenue on either a Per-Click or by printing base. WHR Google Analytics (GA short) is a free service offered by Google that generates detailed statistics on visitors to a website
Adding Google Analytics To Blogger
