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: Tina cools some oxygen gas. The oxygen particles will move 
 Answer: slower
[A]: If the gas is heated, the particles will move faster as they gain more energy.


[Q]: Question: If Milo has dark skin and Jerry has light skin, which person will sunburn less easily? 
 Answer: Milo
[A]: Light-skinned people get sunburned more quickly than people with darker skin.


[Q]: Question: Michael is studying the air quality of various cities. He finds that there are many more pollutants in the air in Mexico City, than there are in the air of Chicago. Therefore, the air quality will be lower in 
 Answer: Mexico City
[A]:
More pollutants mean poorer air quality.