Zoo by Edward Hoch
1. The Latin prefix tri-, meaning "having three" or "once every three," helps the reader understand that tri-city
in paragraph 3 means -

what does the author mean by "many journeys" in this excerpt?

government intervention

multiple truths

individual stories

historical monuments

i think the answer would mist likely be an adjective clause, because unhappy is an adjective.

your answer is b. tense. hope this .

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.