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.
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Question: Question: What is the critical factor for the survival of segmented worms? Answer: water and humidity

Answer: Water and humidity is the critical factor for the survival of segmented worms.


Question: Question: When gas particles collide, what kinds of collisions are these considered? Answer: elastic

Answer: When gas particles collide, these collisions are considered elastic.


Question: Question: Hot magma beneath the surface mixes with water and forms what? Answer: gas

Answer:
Hot magma beneath the surface mixes with water and forms gas.