In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

[Q]: Sentence: A moving car is said to be in dynamic equilibrium when it is zero net force. Question: When is a moving car said to be in dynamic equilibrium?
[A]: zero net force


[Q]: Sentence: Natural selection evolutionary process has adapted protonephridia to different tasks in different environments. Question: What evolutionary process has adapted protonephridia to different tasks in different environments?
[A]: natural selection


[Q]: Sentence: What's it called favoring the reaction is sped up until equilibrium is established. Question: What's it called when the reaction is sped up until equilibrium is established?
[A]:
favoring