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?
- Wind, water, and the roots of plants can break the rock layer.
- Water and wind can break the rock layer, but the roots of plants cannot.
- Water can break the rock layer, but wind and the roots of plants cannot.
- Neither wind, water, nor the roots of plants can break the rock layer.
- Distribution of Responses
![Chart showing distrubtion of responses for Item WE014004](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=339933|76A4FB|76A4FB|76A4FB&chds=0,100&chd=t:52,27,15,7&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=WE014004-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 1303 | 2530 | 52% |
Grades | |||
6–8 | 750 | 1530 | 49% |
9–12 | 550 | 990 | 56% |
Gender | |||
Male | 629 | 1225 | 51% |
Female | 659 | 1262 | 52% |
Primary Language | |||
English | 1165 | 2232 | 52% |
Other | 102 | 226 | 45% |