The person to whom i owe the biggest gratitude is my papaw.
a. which part of the above sentence is the relative clause?
b. the person to whom i owe the biggest gratitude
c. is my papaw
d. no relative clause found '

"(The person) to whom I owe the biggest gratitude" is the relative clause.

Relative clauses are used to attach an information onto someone or something. In other words, they tell us something in relation to a subject, hence the term "relative clause."

They are introduced by relative pronouns, such as:

In this sentence, the clause "to whom I owe the biggest gratitude" gives an information about "my Papaw."

The authors choice impacts the meaning because it could change the whole story by one little move. And anything could happen within a second of the story due to the authors actions.

Explanation: