Answer:
the answer is b: to explain how light travels
Explanation:
Nirvana is a place of perfect peace and happiness, like heaven. In Hinduism and Buddhism, nirvana is the highest state that someone can attain, a state of enlightenment, meaning a person's individual desires and suffering go away. This belief emphasizes meditation and how much it helps achieve this state.
Answer:
Theme generally refers to the central idea or a perception conveyed in writing. A topic is the subject that is treated or presented within writing. Topics play the role of explaining what a story is all about, while, themes explain the reason why it was written in the first place
Explanation: