instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: What is formed when a subducting plate flows under another tectonic plate? Answer: volcanic arc
answer:
A volcanic arc is formed when a subducting plate flows under another tectonic plate.


question:
Question: What planet did the voyager 1 spacecraft visit in 1980? Answer: saturn
answer:
The voyager 1 spacecraft visited saturn in 1980.


question:
Question: The atoms of a compound are held together by what type of bonds? Answer: chemical
answer:

The atoms of a compound are held together by chemical bonds.