NO SPOILERS PLEASE In Dune by Frank Herbert, why is Paul going to Arrakis?

Please don't spoil anything about what happens in Arrakis, but just say what the reason for going there is. I'm in the part where Paul is about to go to Arrakis, but I'm confused as to WHY he must go there. :)

Which type of formatting technique would you use to group information to make it easier for th audiance to understand

Rev. simon hosack] entered fully into the feeling of suffering and sorrow which took possession of me when i discovered that a girl weighed less in the scale of being than a boy, and he praised my determination to prove the contrary. which best describes society's view of boys' and girls' abilities during the period in which elizabeth cady stanton lived?

2. page 1: schlosser describes "just another gorgeous rocky mountain vista. and yet cheyenne mountain is hardly pristine." why do you think schlosser describes the beautiful cheyenne mountain scene in detail before describing the military installation that lies inside?