Good source of earning are Google adsense.

It's very easy way to continue with Google Adsense.
 

This is very easy way to get Google Ad sense.Follow some Google Ad sense rules.

thanks for sharing.

Google Adsense is the best CPC network which pays out big amounts. You just have to put adsense advertisements on your blog or website and when some one would click that ad, you will get paid instantly. Thanks :)

it's not so easy read help from absence.

as others have said adsense is a program were advertisers pay google money and in turns google display ads on your website.