instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Learned behavior is adaptive because they are flexible, capable of changing if the environment changes.
answer:
What kind of behaviors are adaptive because they are flexible, capable of changing if the environment changes?

question:
The pressure of a sample of gas is measured with an open-end manometer.
answer:
The pressure of a sample of gas is measured with an open-end what?

question:
Limiting the number of cars on the roads would most likely improve the air quality in large texas cities.
answer:
Which of these would most likely improve the air quality in large Texas cities?