instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
40 m/s north of the following represents the velocity of a moving object.
answer:
Which of the following represents the velocity of a moving object?


question:
The outer layer of the sun is made up of plasma.
answer:
What is the outer layer of the sun made up of?


question:
If a gas in a closed area experiences increases in pressure and decreases in temperatures, the volume of the gas will be affected.
answer:

If a gas in a closed area experiences increases in pressure and decreases in temperatures, what other attribute of the gas will be affected?