Answer:
the answer is B Some Caribbean islands were formed as a result of volcanoes being submerged underwater.
Explanation:
( I just guessed and got it right so no explanation here)
A letter of the alphabet that’s different from the others, in form of height and how it looks. (If that’s what you meant)
I believe the proper word would be strength
social, talkative, loud, outgoing
Any of these words would work as synonyms to gregarious. The antonym clues from the sentences are "quiet and shy". The sentences describe Mateo as gregarious AND the opposite of his brother. Since his brother is described as "quiet and shy", we know that Mateo is the opposite of quiet and shy. Loud and outgoing are the direct opposites of quiet and shy, but there are many other words that can mean the same thing.
