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: If Mona is building an electrical device and she decreases the total resistance of it, what happens to the current strength? 
 Answer: increases
As the total resistance increases, the current strength decreases.

Question: Jimbo was playing with magnetic field lines by manipulating them. If he moves the field lines less close, what happens to the strength of the field? 
 Answer: decreases
The closer the field lines are drawn together, the stronger the field being described.

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

Rougher surfaces have more friction between them than smoother surfaces.