Ariel and Caliban are decidedly different in nature and appearance. Ariel as his name proposes is an ethereal and spirit. On the other hand, Caliban is uncultured and un human. The two are associated to the Witch Sycorax who governed the island before Prospero. Hope it helped.
They allow readers to multitask
A reciprocal pronoun is a pronoun which is used to indicate the number of people that are executing a particular action.
There are two types of reciprocal pronouns, they are 'each other and one another'. Each other is used when the action executed is carry out by two people and one another is used when the action executed is carry out by three or more people.
The answers to the above questions are as follows:
1. Alex and Martha say goodbye to EACH OTHER.
2. The puppies playfully bit ONE ANOTHER on the nose.
3. The mom and dad love EACH OTHER very much.
4. The children fought with ONE ANOTHER on the playground.
I am sure this would be C. Jovial