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.
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Question: Question: Eric rubs together tissue paper and then sandpaper. The rougher tissue paper has _____ friction than the sandpaper. 
 Answer: more

Answer: Rougher surfaces have more friction between them than smoother surfaces.


Question: Question: Rich is 60 years old and Tony is 30 years old. _____ has a greater risk of developing cardiovascular disease. 
 Answer: Rich

Answer: Older age, male gender, and a family history of cardiovascular disease all increase the risk of developing cardiovascular diseases and cant be controlled.


Question: Question: If Mona is adjusting the pH levels of her fish tank and she makes the pH lower, what happens to the baseness of the water? 
 Answer: lower

Answer:
The higher the pH value is, the stronger the base.