Answer:
Cheerful
Explanation:
Sullen means gloomy or in a bad mood. However, cheerful is the opposite (or an antonym) becuase it is an adjective that means to be happy and in a good mood.
Answer:
Speeds up,motion....Energy :D
Think about a roller coaster
Answer:
C
Explination: The theme is the lesson that the author is trying to teach the reader.
I believe the answer is c
Their right is the guarantee to a jury trial for civil cases in federal courts.