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

Passage: Insight learning , which is based on past experience and reasoning, is a hallmark of the human animal. Humans have used insight learning to solve problems ranging from starting a fire to traveling to the moon. It usually involves coming up with new ways to solve problems. Insight learning generally happens quickly. An animal has a sudden flash of insight. Insight learning requires relatively great intelligence. Human beings use insight learning more than any other species. They have used their intelligence to solve problems ranging from inventing the wheel to flying rockets into space. Answer: insight
What type of learning is based on past experience and reasoning?

Passage: boundary between air masses that is stalled in one place. Answer: aids
Opportunistic diseases are usually the direct cause of death of people with what disease?

Passage: The Fate of the Carbon Skeleton Any amino acid can be converted into an intermediate of the citric acid cycle. Once the amino group is removed, usually by transamination, the -keto acid that remains is catabolized by a pathway unique to that acid and consisting of one or more reactions. For example, phenylalanine undergoes a series of six reactions before it splits into. Answer: transamination
Which process helps deaminate amino acids?