Of the desert is the prepositional phrase
The answer is B. To Inform
Hope this helps!
Palomar observatory is in California and also Hale telescope is there and it was once the largest telescope in the world.
Well the first thing you have to know to answer this is prepositional phrases
the prepositional phrase in this is for equal rights.
Here is a link to a site that gives you prepositional phrases.
http://www.talkenglish.com/vocabulary/top-50-prepositions.aspx
does not have any viruses to my knowledge. hope this helps.