instruction:
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:
Question: If Mona is comparing the erosion rates of two rocks and she notices that granite is softer then marble, which rock will water erode slower? 
 Answer: marble
answer:
The water erodes the softer rock faster than the harder rock.


question:
Question: Dean held two magnets a few inches apart, and felt them pull at each other. He didn't feel a pull from the magnets when they were 
 Answer: further
answer:
The smaller the distance between the objects, the greater the force of magnetic attraction.


question:
Question: Less energy going out of an amplifier to speakers makes the speakers 
 Answer: quieter
answer:

Amplified sound waves have more energy, which increases the intensity and loudness of the sounds, so they are easier to hear.