Q: Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.
Paragraph: Petrichor ( / ptrkr / ) is the earthy scent produced when rain falls on dry soil . The word is constructed from Greek petra , meaning '' stone '' , and ichor , the fluid that flows in the veins of the gods in Greek mythology .
Question: what is the name for the smell of rain

A:
Petrichor