Google AdSense is not displaying ads on my site. Why is this?

As long as there are no issues with your AdSense account or settings, Google should display ads via the code they've provided. To learn more about potential issues with your AdSense account which may prevent ads from being displayed, please refer to: https://support.google.com/adsense/answer/1208336?hl=en and https://support.google.com/adsense/troubleshooter/2473099?hl=en.