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: A smoker's body works _____ just to get needed air. 
 Answer: more
When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.

Question: If Mona reduces she is creating for her school project, what happens to the gravitational attraction of that object? 
 Answer: decrease
The greater the objects mass, the greater the force of gravitational attraction.

Question: When Dave screams outside he notices that the sound travels at different speeds in different temperatures. The sound travels faster when it is 
 Answer: hot

For a given medium, sound has a slower speed at lower temperatures.