PLEASE HELP What is the effect of the exposition on "President Cleveland, Where Are You?"?

It explains how Rollie Tremaine helps Jerry do something kind for Armand.

It is the point when Jerry begins to consider other people's needs before his own.

It provides detailed background information about the people in Jerry's family.

It describes Jerry's intense interest in collecting cowboy cards.

Which words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dant? s entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dant? s was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on. 1. air 2. opening 3. mephitic 4. cavern 5. pure 6. atmosphere