TASK DEFINITION: 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.
PROBLEM: Question: When a city contracts the distance across the city 
 Answer: decreases

SOLUTION: As the Universe expands, galaxies move further and further apart.

PROBLEM: Question: If Mona is a logger and she begins cutting down a forest full of trees, how will that affect the likelihood of a drought occurring? 
 Answer: increase

SOLUTION: With fewer trees, the air is drier and droughts are more common.

PROBLEM: Question: Mike is trying to make two different things slide across the ground. One is block, the other is a chair. The thing that will be hardest to push has 
 Answer: more mass

SOLUTION:
Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.