Given a scientific passage and an answer, generate a question for the given answer.

Q: Passage: Describe and explain volcanic activity that occurs within oceanic and continental plates. Answer: convergent boundary

A: What is the tectonic zone called where two plates come together?
****
Q: Passage: Most plants continue to grow as long as they live. They grow through a combination of cell growth and cell division (mitosis). The key to plant growth is meristem, a type of plant tissue consisting of undifferentiated cells that can continue to divide and differentiate. Meristem allows plant stems and roots to grow longer (primary growth) and wider (secondary growth). Answer: meristem

A: What is a type of plant tissue consisting of undifferentiated cells that can continue to divide and differentiate?
****
Q: Passage: Behind the nasal cavity, air passes through the pharynx , a long tube. Both food and air pass through the pharynx. Answer: pharynx

A:
Name the organ located behind the nasal cavity in which both food and air pass through?
****