Answer: D.In honor of the town near its discovery
Explanation:
The Rosetta Stone is a stone which was discovered in 1799, in a small Egyptian village of el-Rashid, known as Rosetta. This is how the stone got its name. The stone is about 44 inches tall and 30 inches wide, while it is believed that it dates back to 196 BC. As of 1802, it can be seen in the British Museum in London.
 
        
             
        
        
        
Explanation:

Search engines work by crawling hundreds of billions of pages using their own web crawlers. These web crawlers are commonly referred to as search engine bots or spiders. A search engine navigates the web by downloading web pages and following links on these pages to discover new pages that have been made available
 
        
             
        
        
        
Answer:
Explanation:
The compounds formed by exchange of  electrons ,either by gaining  or losing is called ionic compound.