Can you earn zero cents a click Adsense?

Yes, sometimes someone has clicked on your ads but you earn no money. That is because sometimes Adsense ads from advertisers who may advertise for free. These include charity organizations realize. Because advertisers do not pay for their ad, you earn no money if someone clicks on their Adsense ads. Sometimes it is that Google thinks that a certain Adsense click 'invalid' is. For example, if Google thinks that the Adsense click does not come from a real interested visitors to your website. It may also happen that Google on the previous day too much money has paid for your clicks. Sometimes Google corrects that by the next day a few Adsense clicks not to pay. There could many reasons why you occasionally Adsense clicks which Google will pay you no money.