Answer:
It is the SQL of WWW. Or in other words, it is the web tool that helps the users in locating the required information on the WWW. Various top search engines are like Google, MSN, and Yahoo. And the information that is gathered by the spider is used for creating the searchable index for the content on the web. This spider crawls according to the search engine algorithm and that is known as web crawling. 
Explanation:
Please check the answer section.
 
        
             
        
        
        
A ribbon is somehing ou earn
        
                    
             
        
        
        
Answer: I think is 3. They acquired cable channels. They acquired cable operators.
Explanation:
 
        
             
        
        
        
Answer:
A. the BY statement. 
Explanation:
The BY statement aids the procedure MEANS to develop the tree for the current BY group only, thereby analyze the stats, and clean the tree prior to the start and development of the next BY group.
 However, without the BY statement, procedure MEANS develops its AVL tree for both the whole file and all sector estimates crossings established in CLASS.
Hence, in this case, the correct answer is the BY Statement.