Given a scientific passage and an answer, generate a question for the given answer.
--------
Question: Passage: Starch is a large, complex carbohydrate made of thousands of glucose units (monomers) joined together. Starches are found in foods such as vegetables and grains. Starches are broken down by the body into sugars that provide energy. Breads and pasta are good sources of complex carbohydrates. Answer: glucose units (monomers)

Answer: Starch is a large, complex carbohydrate made of thousands of _____ joined together?

Question: Passage: The atmosphere is a crucial part of the water cycle. It is an important reservoir for water, and the source of precipitation. Answer: the atmosphere

Answer: What is the source of precipitation?

Question: Passage: The primary amine in which the nitrogen atom is attached directly to a benzene ring has a special nameaniline. Aryl amines are named as derivatives of aniline. Answer: aniline

Answer:
The primary amine in which the nitrogen atom is attached directly to a benzene ring has a special name, what is it?