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: A stream going down a mountain will have to do _____ cutting. 
 Answer: much

A: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.
****
Q: Question: If Mona is currently 35 years old and she lives her life until the age of 85, what happens to her chance of contracting a disease as she grows older? 
 Answer: increase

A: Many diseases become more common as people grow older.
****
Q: Question: Tina is putting on a sweater. As she stops stretching out the material, its elastic force 
 Answer: decreases

A:
The farther the material is stretched or compressed, the greater the elastic force becomes.
****