There are a number of special web pages, called available to you locate what you are looking for on the internet.

The correct answer is Search Sites

It forms a critical role of the website UI. It is more or less the same as a search engine. It collects and organizes any content from every corner of the internet. Google.com is a good example. You can use it to locate anything on the internet and it will provide links to content that matches what you want.

The answer should be b.