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

Input: Consider Input: Passage: According to the table, aluminum has an atomic number of 13. Therefore, every aluminum atom has 13 protons in its nucleus. Iron has an atomic number of 26. Therefore, every iron atom has 26 protons in its nucleus. Carbon has an atomic number of 6. Therefore, every carbon atom has 6 protons in its nucleus. Saylor URL: http://www. saylor. org/books. Answer: nucleus

Output: According to the table, aluminum has an atomic number of 13. therefore, every aluminum atom has 13 protons in its what?

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

Output: What is the tectonic zone called where two plates come together?

Input: Consider Input: Passage: The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors. Answer: humidity happens
Output: What happens when liquid water evaporates?