The last sentence is correct, because the other ones either had periods in the middle or too many commas in them.
It is the largest explosion that takes place in space. A supernova is the explosion of a star.
Answer:
What is the answer to part A, and what are the possible answers for part B.
Explanation:
Taking in consideration that prepositional phrases are those that begin with a preposition and end with a noun, pronoun, gerund or clause, the only option that fulfills that criteria is option C. Therefore, this is your best answer.
