Answer:
The best inventor competition was hold in my school every year.
Two or more coordinate independent clauses.
Keen, thrifty, inquisitive, and/or relaxed. Hope that helps!
Not enough info:( sorry summit again with more.
The correct option is THE WORD CHOICE DARKENS THE TONE.
From the passage it can be seen that the author took care to use words that will arouse and sustain the suspense of the readers. The word choice in the excerpt gives the passage a dark tone that will raise the curiosity of the reader about the eventual outcome of the event stated in the passage.