Given a scientific question, generate a correct answer to it.

[EX Q]: Amino acids are joined together to form a chain at what molecular structure?
[EX A]: ribosomes

[EX Q]: A crow that becomes used to a scarecrow and lands on it is an example of what?
[EX A]: habituation

[EX Q]: What is formed when a subducting plate flows under another tectonic plate?
[EX A]:
volcanic arc