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: Shane sees two waterfalls; one made of hard stone, the other of soft rock. The waterfall with hard stone will have erosion that is, compared to the other, 
 Answer: lesser
answer:
The water erodes the softer rock faster than the harder rock.


question:
Question: If we have a bag of feathers and a bag of bricks of the same volume, the heavier item will be the 
 Answer: bricks
answer:
If we have two materials with the same volume, the material with a higher mass will be more dense.


question:
Question: John was looking at the substances and noticed something. The weaker that the acid was, the concentration of Ions became 
 Answer: Smaller
answer:

A stronger acid produces a greater concentration of ions than a weaker acid.