CFCs, HCFCs, and Halon: The ozone layer is destroyed by CFC's, chlorofluorocarbons, that are used as a propellant in aerosol cans, and refrigerants in older cars and refrigerators. When Chlorofluorocarbons (Freon and other CFCs) and Bromofluorocarbons (Halons) they became popular refrigerants and fire fighting agents.
Anyways, let's come to out topic. Yahoo! Browser. Yahoo is the No.1 site on the web. Having the maximum traffic, it's still ruling in the laexa rank. Now, just to get all it's pages open properly and work nicely, Yahoo! joined hands with Microsoft in making a Yahoo! friendly browser. And here it is, YAHOO! Browser.
Mozilla has dumped Google in favor of Yahoo as Firefox's default search engine in the US. If you've been using and enjoying Google search, the previous default, in Firefox then you'll need to dig into settings to change it back.o get rid of Yahoo search, open Firefox's Preferences and click on the Search tab. (You can also head directly to the search tab in Preferences by typing a letter in Firefox's search bar to call up the search window before clicking Change Search Settings at the bottom of said window.).