Item WE018003: Moving water continuously wears down earth's solid rock layer whenever water is moving over the rock, even if you cannot see it happening.

How long does it take for moving water to wear down earth’s solid rock layer?

  1. Whenever water is moving over solid rock, a little bit of the rock is worn down even if you can’t see it.
  2. Moving water can wear down solid rock, but it takes about ten years or more to cause any change, no matter how small.
  3. Moving water can wear down solid rock, but it takes millions of years or more to cause any change, no matter how small.
  4. Moving water cannot wear down solid rock.
Distribution of Responses
Distribution of Responses
Chart showing distrubtion of responses for Item WE018003
Students Responding Correctly
Group Correct Total Percent
Overall 0%
Grades
  6–8 N/A
  9–12 N/A
Gender
Primary Language

View data table