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.

Input: Consider Input: Question: Keith is showering, and is washing himself using a bar of soap, and then again with a loofah. Keith's skin will get better exfoliation, due to the greater friction, when he washes his body using the 
 Answer: loofah

Output: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.


Input: Consider Input: Question: Karly is studying two rivers and how they are affecting the rock around them. If the 2nd river she looks at is twice as big as the first river she is studying, then Karly would expect to see _____ erosion caused by the 2nd river. 
 Answer: more

Output: The bigger the waves are and the more sediment they carry, the more erosion they cause.


Input: Consider Input: Question: Jimbo was sitting at the beach watching the waves. He noticed the waves were decreasing in size. What does this mean for the amount of erosion that the waves will cause? 
 Answer: decrease


Output: The bigger the waves are and the more sediment they carry, the more erosion they cause.