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.

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


[Q]: Question: If an ecosystem’s balance is disturbed by a volcanic eruption, what will most likely occur? Answer: The ecosystem will eventually become balanced again.
[A]: If an ecosystem’s balance is disturbed by a volcanic eruption, the ecosystem will eventually become balanced again will most likely occur.


[Q]: Question: What natural process allows water to return again to the earth’s surface? Answer: precipitation
[A]:
Precipitation are a natural process that allows water to return again to the earth’s surface.