I think is going to be A historian for the web site of Sioux tribe of Montana. I hope this is correct.
Protists are mostly unicellular (one-celled) eukaryotes. A few protists are multicellular (many-celled) and surprisingly large. For example, kelp is a multicellular protist that can grow to be over 100-meters long
The phrase in the capital words is A. an adjective phrase.
What kind of city? The city of Arizona.
Adjectives are used to describe the nouns.
I would hate it if I wasn't able to do this ....... I would be ecstatic to help out with this task