They get their income from the same source as most web-sites... advertising on behalf of other companies !
Everytime someone clicks one of the sponsored links the search engine will make money.
One can benefit from paid search-engine advertising through pay per click services. This means each time one's website is clicked on they earn money from a service like Google AdWords. By getting more hits one is likely to get more customers and make more money.
Google AdSense is a free, simple way for website publishers of all sizes to earn money by displaying targeted Google ads on their websites. AdSense also lets you provide Google search to your site users, while earning money by displaying Google ads on the search results pages.
It is free to use but its advertisers who pays them to make them rich. Whenever you type something google shows ads on right hand side, on the top and the bottom stating ADS. When anyone clicks those links, the link owner is liable to pay Google for the action. Its same like facebook which is free to use but advertisers place their ads on different places by paying facebook.
yes
Swagbucks search engine allows you to be rewarded for doing your internet searches. You can earn points toward useful rewards like gift cards. It gives you similar results to the major search engines.
To earn money by using the Google AdSense program you have to have your own website. You will put ads for businesses on your website and you get paid when a visitor clicks on the ad.
54 Dead Miles (Not in Y8) (Search it in google)
well Google is a search engine (Basically is a company which started as a search engine and holds 96% stake in search industry till date) for more you can visit : http://en.wikipedia.org/wiki/Google , its a very basic question to ask because Google is so popular that this type of basic questions are heights of ignorance :) . Anyways to be precise companies do promote Google adsense as work from home , i.e. you can use google adsense ( which is ad network promoted by google ) on your website or blog and earn from the clicks via visitors on your webpage. for more details visit : https://www.google.com/adsense
try answering stuff on google
No, you can still earn money. You just won't get any physical money in your bank account until you make AdSense account.
Google AdSense is a free, simple way for website publishers of all sizes to earn money by displaying targeted Google ads on their websites. AdSense also lets you provide Google search to your site users, while earning money by displaying Google ads on the search results pages.