I would say the answer is a
Pronouns are almost always the subject of a sentence and they usually do the action in that sentence.
An object pronoun is a type of personal pronoun that is normally used as a grammatical object, either as the direct or indirect object of a verb, or as the object of a preposition
A. they are both independent sentences that could go together, just separated by a comma.
be more specific, not much comes up when you google it
Answer:
B. Moreover
Explanation:
Transitions are used to focus on the relationships among the ideas. They are used to build a path on which the direction of the sentences wants the readers to go to. The ideas are connected logically with the help of the transitions. Logical arguments are placed which helps in signifying the propagated ideas. 'However', 'for example,' 'similarly', and 'moreover' are some of the examples of transitions.
In the given excerpt, the transition that has been used to add an idea is 'moreover'. The third sentence begins with 'moreover' which had introduced an additional thought about the seals and sea lions.