In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[Q]: Question: John turned up the thermostat in his room. As the temperature of the room got higher, would the air pressure in the room 
 Answer: decrease?
[A]: Decreasing air temperature increases atmospheric pressure.


[Q]: Question: If Mary is taking a picture and she shuts the camera shutter narrower what will happen to the amount of light that gets in? 
 Answer: decrease
[A]: A camera shutter stays open longer in dim light to let more light in.


[Q]: Question: As the plane climbed altitude, the passengers felt _____. 
 Answer: cooler
[A]:
In the troposphere, temperatures decrease as altitude increases.