instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
A volcano chain is formed by subduction of oceanic crust beneath a continental or oceanic plate.
answer:
What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate?


question:
The climate is defined as the temperature plus precipitation of an area over a long period of time.
answer:
What is defined as the temperature plus precipitation of an area over a long period of time?


question:
In paragraph 2, they had been untouched for centuries does the phrase à¥ˆ€œfrozen in timeà¥ˆ€ suggest about the figures.
answer:
In paragraph 2, what does the phrase à¥ˆ€œfrozen in timeà¥ˆ€ suggest about the figures?