Item WE014004: Wind, water, and the growth of plant roots can wear away the solid rock of a valley.

Which of the following can break the rock layer that makes up the sides of a valley so that the valley becomes wider?

  1. Wind, water, and the roots of plants can break the rock layer.
  2. Water and wind can break the rock layer, but the roots of plants cannot.
  3. Water can break the rock layer, but wind and the roots of plants cannot.
  4. Neither wind, water, nor the roots of plants can break the rock layer.
Distribution of Responses
Distribution of Responses
Chart showing distrubtion of responses for Item WE014004
Students Responding Correctly
Group Correct Total Percent
Overall 1303 2530 52%
Grades
  6–8 750 1530 49%
  9–12 550 990 56%
Gender
  Male629122551%
  Female659126252%
Primary Language
  English1165223252%
  Other10222645%

View data table