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 a winding ridge of sand deposited by a stream of meltwater called? Answer: esker
answer:
A(n) esker is a winding ridge of sand deposited by a stream of meltwater called.


question:
Question: Which process causes the fastest changes to the surface of Earth? Answer: a major earthquake happening in a mountain range
answer:
A major earthquake happening in a mountain range process causes the fastest changes to the surface of earth.


question:
Question: Which process causes the fastest changes to the surface of Earth? Answer: a major earthquake happening in a mountain range
answer:

A major earthquake happening in a mountain range process causes the fastest changes to the surface of earth.