The appropriate answer is C ! all other are very limited but labour can be increased or decreased according to our will and it doesn't exhaust !
<span>Crawler-based search engines are what most of us are familiar with - mainly because that's what Google and Bing are. These companies develop their own software that enables them to build and maintain searchable databases of web pages (the engine), and to organise those pages into the most valuable and pertinent way to the user.</span>
Answer:
it’s just a screenie hope it helps
By being willing to communicate and troubleshoot.
