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.

Question: When a magnet is weak it has 
 Answer: less force
The more charged the objects are, the stronger the electrostatic force between them.

Question: If Milo has asthma and moves to the city, what can happen to his asthma? 
 Answer: gets worse
Certain respiratory conditions can be made worse in people who live closer to or in large cites.

Question: Warm air is able to fill more space than cold air because it is 
 Answer: less dense

Warm air is less dense than cool air, so it rises higher in the troposphere.