Power , opinion , trust , contact.
Sit search and read are all action words, aka verbs
the answer is . a novel has no sub-plot, but a novella does
"Russian astronauts praised the courage of their American partners."
The list of words from the sentence that contains all nouns is A. astronauts, courage, partners
The words <em>Russian</em> and <em>American</em> are adjectives in this sentence, because they are describing the astronauts and partners.